90136196 has 12 divisors (see below), whose sum is σ = 158163852. Its totient is φ = 44946528.

The previous prime is 90136187. The next prime is 90136201. The reversal of 90136196 is 69163109.

It can be written as a sum of positive squares in 2 ways, for example, as 65772100 + 24364096 = 8110^2 + 4936^2 .

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, 28715 + ... + 31698.

It is an arithmetic number, because the mean of its divisors is an integer number (13180321).

Almost surely, 2^90136196 is an apocalyptic number.

It is an amenable number.

90136196 is a deficient number, since it is larger than the sum of its proper divisors (68027656).

90136196 is a wasteful number, since it uses less digits than its factorization.

90136196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60790 (or 60788 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 90136196 is about 9494.0084263708. The cubic root of 90136196 is about 448.3664160561.

The spelling of 90136196 in words is "ninety million, one hundred thirty-six thousand, one hundred ninety-six".