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138379134 = 2323063189
BaseRepresentation
bin10000011111101…
…11111101111110
3100122101101111010
420033313331332
5240411113014
621421540050
73300126465
oct1017677576
9318341433
10138379134
1171125323
123a414626
132289065a
14145419dc
15c236359
hex83f7f7e

138379134 has 8 divisors (see below), whose sum is σ = 276758280. Its totient is φ = 46126376.

The previous prime is 138379127. The next prime is 138379151. The reversal of 138379134 is 431973831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

138379134 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 138379092 and 138379101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11531589 + ... + 11531600.

It is an arithmetic number, because the mean of its divisors is an integer number (34594785).

Almost surely, 2138379134 is an apocalyptic number.

138379134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138379134 is a wasteful number, since it uses less digits than its factorization.

138379134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23063194.

The product of its digits is 54432, while the sum is 39.

The square root of 138379134 is about 11763.4660708483. The cubic root of 138379134 is about 517.2377368390.

The spelling of 138379134 in words is "one hundred thirty-eight million, three hundred seventy-nine thousand, one hundred thirty-four".

Divisors: 1 2 3 6 23063189 46126378 69189567 138379134