213073132 has 24 divisors (see below), whose sum is σ = 380007936. Its totient is φ = 104512848.

The previous prime is 213073123. The next prime is 213073171. The reversal of 213073132 is 231370312.

It is a happy 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, 68973 + ... + 71995.

It is an arithmetic number, because the mean of its divisors is an integer number (15833664).

Almost surely, 2^213073132 is an apocalyptic number.

It is an amenable number.

213073132 is a deficient number, since it is larger than the sum of its proper divisors (166934804).

213073132 is a wasteful number, since it uses less digits than its factorization.

213073132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 213073132 is about 14597.0247653417. The cubic root of 213073132 is about 597.2776033131.

The spelling of 213073132 in words is "two hundred thirteen million, seventy-three thousand, one hundred thirty-two".