3158508157 has 8 divisors (see below), whose sum is σ = 3625217856. Its totient is φ = 2695672032.

The previous prime is 3158508139. The next prime is 3158508173. The reversal of 3158508157 is 7518058513.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3158508157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158508127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966643 + ... + 969904.

It is an arithmetic number, because the mean of its divisors is an integer number (453152232).

Almost surely, 2^3158508157 is an apocalyptic number.

It is an amenable number.

3158508157 is a deficient number, since it is larger than the sum of its proper divisors (466709699).

3158508157 is a wasteful number, since it uses less digits than its factorization.

3158508157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936787.

The product of its (nonzero) digits is 168000, while the sum is 43.

The square root of 3158508157 is about 56200.6063757323. The cubic root of 3158508157 is about 1467.2158196059.

The spelling of 3158508157 in words is "three billion, one hundred fifty-eight million, five hundred eight thousand, one hundred fifty-seven".