139694315 has 16 divisors (see below), whose sum is σ = 171991776. Its totient is φ = 108864000.

The previous prime is 139694297. The next prime is 139694369. The reversal of 139694315 is 513496931.

It is not a de Polignac number, because 139694315 - 2²⁰ = 138645739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115715 + ... + 116915.

It is an arithmetic number, because the mean of its divisors is an integer number (10749486).

Almost surely, 2^139694315 is an apocalyptic number.

139694315 is a deficient number, since it is larger than the sum of its proper divisors (32297461).

139694315 is a wasteful number, since it uses less digits than its factorization.

139694315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its digits is 87480, while the sum is 41.

The square root of 139694315 is about 11819.2349583211. The cubic root of 139694315 is about 518.8712139446.

The spelling of 139694315 in words is "one hundred thirty-nine million, six hundred ninety-four thousand, three hundred fifteen".