157931134 has 8 divisors (see below), whose sum is σ = 238626288. Its totient is φ = 78389040.

The previous prime is 157931119. The next prime is 157931153. The reversal of 157931134 is 431139751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157931134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287922 + ... + 288469.

It is an arithmetic number, because the mean of its divisors is an integer number (29828286).

Almost surely, 2^157931134 is an apocalyptic number.

157931134 is a deficient number, since it is larger than the sum of its proper divisors (80695154).

157931134 is a wasteful number, since it uses less digits than its factorization.

157931134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576530.

The product of its digits is 11340, while the sum is 34.

The square root of 157931134 is about 12567.0654490219. The cubic root of 157931134 is about 540.5334623060.

The spelling of 157931134 in words is "one hundred fifty-seven million, nine hundred thirty-one thousand, one hundred thirty-four".