157311136 has 24 divisors (see below), whose sum is σ = 312779124. Its totient is φ = 77875200.

The previous prime is 157311103. The next prime is 157311163. The reversal of 157311136 is 631113751.

It can be written as a sum of positive squares in 2 ways, for example, as 157251600 + 59536 = 12540^2 + 244^2 .

It is a super-2 number, since 2×157311136² = 49493587019220992, which contains 22 as substring.

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, 21105 + ... + 27568.

Almost surely, 2^157311136 is an apocalyptic number.

157311136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157311136 is a deficient number, since it is larger than the sum of its proper divisors (155467988).

157311136 is a wasteful number, since it uses less digits than its factorization.

157311136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48784 (or 48776 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 157311136 is about 12542.3736190563. The cubic root of 157311136 is about 539.8252017686.

Adding to 157311136 its reverse (631113751), we get a palindrome (788424887).

The spelling of 157311136 in words is "one hundred fifty-seven million, three hundred eleven thousand, one hundred thirty-six".