213399099 has 6 divisors (see below), whose sum is σ = 308243156. Its totient is φ = 142266060.

The previous prime is 213399019. The next prime is 213399149. The reversal of 213399099 is 990993312.

It is not a de Polignac number, because 213399099 - 2⁷ = 213398971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213399019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11855497 + ... + 11855514.

Almost surely, 2^213399099 is an apocalyptic number.

213399099 is a deficient number, since it is larger than the sum of its proper divisors (94844057).

213399099 is a wasteful number, since it uses less digits than its factorization.

213399099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711017 (or 23711014 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 213399099 is about 14608.1860270192. The cubic root of 213399099 is about 597.5820271015.

The spelling of 213399099 in words is "two hundred thirteen million, three hundred ninety-nine thousand, ninety-nine".