213580042 has 32 divisors (see below), whose sum is σ = 352820160. Its totient is φ = 96370560.

The previous prime is 213580013. The next prime is 213580043. The reversal of 213580042 is 240085312.

It is a junction number, because it is equal to n+sod(n) for n = 213579989 and 213580016.

It is not an unprimeable number, because it can be changed into a prime (213580043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248209 + ... + 249067.

It is an arithmetic number, because the mean of its divisors is an integer number (11025630).

Almost surely, 2^213580042 is an apocalyptic number.

213580042 is a deficient number, since it is larger than the sum of its proper divisors (139240118).

213580042 is a wasteful number, since it uses less digits than its factorization.

213580042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 213580042 is about 14614.3779203906. The cubic root of 213580042 is about 597.7508777646.

The spelling of 213580042 in words is "two hundred thirteen million, five hundred eighty thousand, forty-two".