213364542 has 32 divisors (see below), whose sum is σ = 442363680. Its totient is φ = 68526080.

The previous prime is 213364523. The next prime is 213364549. The reversal of 213364542 is 245463312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213364549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110578 + ... + 112490.

It is an arithmetic number, because the mean of its divisors is an integer number (13823865).

Almost surely, 2^213364542 is an apocalyptic number.

213364542 is an abundant number, since it is smaller than the sum of its proper divisors (228999138).

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

213364542 is a wasteful number, since it uses less digits than its factorization.

213364542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588.

The product of its digits is 17280, while the sum is 30.

The square root of 213364542 is about 14607.0031834049. The cubic root of 213364542 is about 597.5497686758.

It can be divided in two parts, 21336 and 4542, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 213364542 in words is "two hundred thirteen million, three hundred sixty-four thousand, five hundred forty-two".