90035129136 has 80 divisors (see below), whose sum is σ = 245627778816. Its totient is φ = 28360958208.

The previous prime is 90035129123. The next prime is 90035129161. The reversal of 90035129136 is 63192153009.

It is a super-2 number, since 2×90035129136² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90035129094 and 90035129103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399655 + ... + 582918.

Almost surely, 2^90035129136 is an apocalyptic number.

It is an amenable number.

90035129136 is an abundant number, since it is smaller than the sum of its proper divisors (155592649680).

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

90035129136 is a wasteful number, since it uses less digits than its factorization.

90035129136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982690 (or 982684 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 90035129136 in words is "ninety billion, thirty-five million, one hundred twenty-nine thousand, one hundred thirty-six".