213422135974 has 8 divisors (see below), whose sum is σ = 320143388760. Its totient is φ = 106707673056.

The previous prime is 213422135911. The next prime is 213422136007. The reversal of 213422135974 is 479531224312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213422135974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618144 + ... + 1745059.

It is an arithmetic number, because the mean of its divisors is an integer number (40017923595).

Almost surely, 2^213422135974 is an apocalyptic number.

213422135974 is a deficient number, since it is larger than the sum of its proper divisors (106721252786).

213422135974 is a wasteful number, since it uses less digits than its factorization.

213422135974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394934.

The product of its digits is 362880, while the sum is 43.

The spelling of 213422135974 in words is "two hundred thirteen billion, four hundred twenty-two million, one hundred thirty-five thousand, nine hundred seventy-four".