158373136 has 20 divisors (see below), whose sum is σ = 307142172. Its totient is φ = 79110656.

The previous prime is 158373121. The next prime is 158373167. The reversal of 158373136 is 631373851.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130873600 + 27499536 = 11440^2 + 5244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158373095 and 158373104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14940 + ... + 23236.

Almost surely, 2^158373136 is an apocalyptic number.

158373136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

158373136 is a deficient number, since it is larger than the sum of its proper divisors (148769036).

158373136 is a wasteful number, since it uses less digits than its factorization.

158373136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498 (or 9492 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 158373136 is about 12584.6388903297. The cubic root of 158373136 is about 541.0372564295.

The spelling of 158373136 in words is "one hundred fifty-eight million, three hundred seventy-three thousand, one hundred thirty-six".