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134242141 = 1112203831
BaseRepresentation
bin10000000000001…
…01111101011101
3100100121012121011
420000011331131
5233331222031
621153135221
73220016335
oct1000057535
9310535534
10134242141
116985a120
1238b5a511
1321a72627
1413b860c5
15bbba6b1
hex8005f5d

134242141 has 4 divisors (see below), whose sum is σ = 146445984. Its totient is φ = 122038300.

The previous prime is 134242139. The next prime is 134242181. The reversal of 134242141 is 141242431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134242141 - 21 = 134242139 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134242181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6101905 + ... + 6101926.

It is an arithmetic number, because the mean of its divisors is an integer number (36611496).

Almost surely, 2134242141 is an apocalyptic number.

134242141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134242141 is a deficient number, since it is larger than the sum of its proper divisors (12203843).

134242141 is a wasteful number, since it uses less digits than its factorization.

134242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203842.

The product of its digits is 768, while the sum is 22.

The square root of 134242141 is about 11586.2910804105. The cubic root of 134242141 is about 512.0310408528.

Adding to 134242141 its reverse (141242431), we get a palindrome (275484572).

The spelling of 134242141 in words is "one hundred thirty-four million, two hundred forty-two thousand, one hundred forty-one".

Divisors: 1 11 12203831 134242141