90158136 has 32 divisors (see below), whose sum is σ = 229219200. Its totient is φ = 29542880.

The previous prime is 90158113. The next prime is 90158147. The reversal of 90158136 is 63185109.

It is a junction number, because it is equal to n+sod(n) for n = 90158097 and 90158106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30420 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (7163100).

Almost surely, 2^90158136 is an apocalyptic number.

It is an amenable number.

90158136 is an abundant number, since it is smaller than the sum of its proper divisors (139061064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90158136 is a wasteful number, since it uses less digits than its factorization.

90158136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63739 (or 63735 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 90158136 is about 9495.1638216515. The cubic root of 90158136 is about 448.4027919760.

The spelling of 90158136 in words is "ninety million, one hundred fifty-eight thousand, one hundred thirty-six".