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141000138 = 2327833341
BaseRepresentation
bin10000110011101…
…11110111001010
3100211022112211100
420121313313022
5242044001023
621554042230
73331324056
oct1031676712
9324275740
10141000138
1172655544
123b279376
132329a646
1414a24c66
15c5a2c43
hex8677dca

141000138 has 12 divisors (see below), whose sum is σ = 305500338. Its totient is φ = 47000040.

The previous prime is 141000137. The next prime is 141000149. The reversal of 141000138 is 831000141.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 63154809 = 8823^2 + 7947^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7833341 = 141000138 / (1 + 4 + 1 + 0 + 0 + 0 + 1 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 141000138.

It is not an unprimeable number, because it can be changed into a prime (141000133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3916653 + ... + 3916688.

Almost surely, 2141000138 is an apocalyptic number.

141000138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

141000138 is an abundant number, since it is smaller than the sum of its proper divisors (164500200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141000138 is a wasteful number, since it uses less digits than its factorization.

141000138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833349 (or 7833346 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 141000138 is about 11874.3478978848. The cubic root of 141000138 is about 520.4829561423.

Adding to 141000138 its reverse (831000141), we get a palindrome (972000279).

The spelling of 141000138 in words is "one hundred forty-one million, one hundred thirty-eight", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 7833341 15666682 23500023 47000046 70500069 141000138