Search a number
-
+
137935057 = 1310610389
BaseRepresentation
bin10000011100010…
…11100011010001
3100121112211022211
420032023203101
5240302410212
621404232121
73263300011
oct1016134321
9317484284
10137935057
1170951717
123a23b641
13227664a0
1414467c41
15c1999a7
hex838b8d1

137935057 has 4 divisors (see below), whose sum is σ = 148545460. Its totient is φ = 127324656.

The previous prime is 137934997. The next prime is 137935087. The reversal of 137935057 is 750539731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76720081 + 61214976 = 8759^2 + 7824^2 .

It is a cyclic number.

It is not a de Polignac number, because 137935057 - 211 = 137933009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137935087) 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, 5305182 + ... + 5305207.

It is an arithmetic number, because the mean of its divisors is an integer number (37136365).

Almost surely, 2137935057 is an apocalyptic number.

It is an amenable number.

137935057 is a deficient number, since it is larger than the sum of its proper divisors (10610403).

137935057 is a wasteful number, since it uses less digits than its factorization.

137935057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610402.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 137935057 is about 11744.5756415462. The cubic root of 137935057 is about 516.6838490759.

The spelling of 137935057 in words is "one hundred thirty-seven million, nine hundred thirty-five thousand, fifty-seven".

Divisors: 1 13 10610389 137935057