157106938 has 4 divisors (see below), whose sum is σ = 235660410. Its totient is φ = 78553468.

The previous prime is 157106933. The next prime is 157106969. The reversal of 157106938 is 839601751.

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

It can be written as a sum of positive squares in only one way, i.e., 156675289 + 431649 = 12517^2 + 657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157106938.

It is not an unprimeable number, because it can be changed into a prime (157106933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39276733 + ... + 39276736.

Almost surely, 2^157106938 is an apocalyptic number.

157106938 is a deficient number, since it is larger than the sum of its proper divisors (78553472).

157106938 is an equidigital number, since it uses as much as digits as its factorization.

157106938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78553471.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 157106938 is about 12534.2306505026. The cubic root of 157106938 is about 539.5915269442.

The spelling of 157106938 in words is "one hundred fifty-seven million, one hundred six thousand, nine hundred thirty-eight".