137530052 has 18 divisors (see below), whose sum is σ = 264547374. Its totient is φ = 62513440.

The previous prime is 137530033. The next prime is 137530067. The reversal of 137530052 is 250035731.

It can be written as a sum of positive squares in only one way, i.e., 137499076 + 30976 = 11726^2 + 176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141593 + ... + 142560.

Almost surely, 2^137530052 is an apocalyptic number.

It is an amenable number.

137530052 is a deficient number, since it is larger than the sum of its proper divisors (127017322).

137530052 is a wasteful number, since it uses less digits than its factorization.

137530052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284179 (or 284166 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 137530052 is about 11727.3207511349. The cubic root of 137530052 is about 516.1776575127.

Adding to 137530052 its reverse (250035731), we get a palindrome (387565783).

The spelling of 137530052 in words is "one hundred thirty-seven million, five hundred thirty thousand, fifty-two".