157137674 has 4 divisors (see below), whose sum is σ = 235706514. Its totient is φ = 78568836.

The previous prime is 157137671. The next prime is 157137677. The reversal of 157137674 is 476731751.

157137674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476731751 = 3727 ⋅127913.

It is an interprime number because it is at equal distance from previous prime (157137671) and next prime (157137677).

It can be written as a sum of positive squares in only one way, i.e., 157126225 + 11449 = 12535^2 + 107^2 .

It is not an unprimeable number, because it can be changed into a prime (157137671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39284417 + ... + 39284420.

Almost surely, 2^157137674 is an apocalyptic number.

157137674 is a deficient number, since it is larger than the sum of its proper divisors (78568840).

157137674 is an equidigital number, since it uses as much as digits as its factorization.

157137674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78568839.

The product of its digits is 123480, while the sum is 41.

The square root of 157137674 is about 12535.4566729737. The cubic root of 157137674 is about 539.6267127524.

The spelling of 157137674 in words is "one hundred fifty-seven million, one hundred thirty-seven thousand, six hundred seventy-four".