213694315 has 8 divisors (see below), whose sum is σ = 264705408. Its totient is φ = 165440640.

The previous prime is 213694307. The next prime is 213694331. The reversal of 213694315 is 513496312.

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

It is not a de Polignac number, because 213694315 - 2³ = 213694307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689182 + ... + 689491.

It is an arithmetic number, because the mean of its divisors is an integer number (33088176).

Almost surely, 2^213694315 is an apocalyptic number.

213694315 is a deficient number, since it is larger than the sum of its proper divisors (51011093).

213694315 is a wasteful number, since it uses less digits than its factorization.

213694315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378709.

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

The square root of 213694315 is about 14618.2870063493. The cubic root of 213694315 is about 597.8574648265.

The spelling of 213694315 in words is "two hundred thirteen million, six hundred ninety-four thousand, three hundred fifteen".