90000213132 has 12 divisors (see below), whose sum is σ = 210000497336. Its totient is φ = 30000071040.

The previous prime is 90000213101. The next prime is 90000213143. The reversal of 90000213132 is 23131200009.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 90000213099 and 90000213108.

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 3 ways as a sum of consecutive naturals, for example, 3750008869 + ... + 3750008892.

Almost surely, 2^90000213132 is an apocalyptic number.

It is an amenable number.

90000213132 is an abundant number, since it is smaller than the sum of its proper divisors (120000284204).

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

90000213132 is a wasteful number, since it uses less digits than its factorization.

90000213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500017768 (or 7500017766 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 90000213132 in words is "ninety billion, two hundred thirteen thousand, one hundred thirty-two".