139574318 has 16 divisors (see below), whose sum is σ = 238729680. Its totient is φ = 60629376.

The previous prime is 139574317. The next prime is 139574329. The reversal of 139574318 is 813475931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139574311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 157448 + ... + 158331.

It is an arithmetic number, because the mean of its divisors is an integer number (14920605).

Almost surely, 2^139574318 is an apocalyptic number.

139574318 is a deficient number, since it is larger than the sum of its proper divisors (99155362).

139574318 is a wasteful number, since it uses less digits than its factorization.

139574318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315811.

The product of its digits is 90720, while the sum is 41.

The square root of 139574318 is about 11814.1575239202. The cubic root of 139574318 is about 518.7226017755.

The spelling of 139574318 in words is "one hundred thirty-nine million, five hundred seventy-four thousand, three hundred eighteen".