213580133730 has 96 divisors (see below), whose sum is σ = 593259825600. Its totient is φ = 53151728256.

The previous prime is 213580133719. The next prime is 213580133783. The reversal of 213580133730 is 37331085312.

213580133730 is a `hidden beast` number, since 2 + 1 + 3 + 580 + 1 + 3 + 3 + 73 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817525 + ... + 1046664.

It is an arithmetic number, because the mean of its divisors is an integer number (6179789850).

Almost surely, 2^213580133730 is an apocalyptic number.

213580133730 is an abundant number, since it is smaller than the sum of its proper divisors (379679691870).

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

213580133730 is a wasteful number, since it uses less digits than its factorization.

213580133730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864288 (or 1864285 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 213580133730 in words is "two hundred thirteen billion, five hundred eighty million, one hundred thirty-three thousand, seven hundred thirty".