139315814 has 16 divisors (see below), whose sum is σ = 228975120. Its totient is φ = 63046560.

The previous prime is 139315811. The next prime is 139315817. The reversal of 139315814 is 418513931.

It is an interprime number because it is at equal distance from previous prime (139315811) and next prime (139315817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139315811) 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, 8789 + ... + 18864.

It is an arithmetic number, because the mean of its divisors is an integer number (14310945).

Almost surely, 2^139315814 is an apocalyptic number.

139315814 is a deficient number, since it is larger than the sum of its proper divisors (89659306).

139315814 is a wasteful number, since it uses less digits than its factorization.

139315814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27895.

The product of its digits is 12960, while the sum is 35.

The square root of 139315814 is about 11803.2120204629. The cubic root of 139315814 is about 518.4021637990.

The spelling of 139315814 in words is "one hundred thirty-nine million, three hundred fifteen thousand, eight hundred fourteen".