213195634 has 8 divisors (see below), whose sum is σ = 327230640. Its totient is φ = 104118756.

The previous prime is 213195629. The next prime is 213195643. The reversal of 213195634 is 436591312.

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 213195634.

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, 1239424 + ... + 1239595.

It is an arithmetic number, because the mean of its divisors is an integer number (40903830).

Almost surely, 2^213195634 is an apocalyptic number.

213195634 is a deficient number, since it is larger than the sum of its proper divisors (114035006).

213195634 is a wasteful number, since it uses less digits than its factorization.

213195634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479064.

The product of its digits is 19440, while the sum is 34.

The square root of 213195634 is about 14601.2202914688. The cubic root of 213195634 is about 597.3920455278.

The spelling of 213195634 in words is "two hundred thirteen million, one hundred ninety-five thousand, six hundred thirty-four".