158235558136 has 32 divisors (see below), whose sum is σ = 314162550000. Its totient is φ = 74459424256.

The previous prime is 158235558127. The next prime is 158235558181. The reversal of 158235558136 is 631855532851.

It is a super-2 number, since 2×158235558136² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4490715 + ... + 4525813.

Almost surely, 2^158235558136 is an apocalyptic number.

It is an amenable number.

158235558136 is a deficient number, since it is larger than the sum of its proper divisors (155926991864).

158235558136 is a wasteful number, since it uses less digits than its factorization.

158235558136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68271 (or 68267 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 52.

The spelling of 158235558136 in words is "one hundred fifty-eight billion, two hundred thirty-five million, five hundred fifty-eight thousand, one hundred thirty-six".