139214825 has 12 divisors (see below), whose sum is σ = 173387340. Its totient is φ = 110880960.

The previous prime is 139214809. The next prime is 139214833. The reversal of 139214825 is 528412931.

It can be written as a sum of positive squares in 6 ways, for example, as 6135529 + 133079296 = 2477^2 + 11536^2 .

It is not a de Polignac number, because 139214825 - 2⁴ = 139214809 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6434 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (14448945).

Almost surely, 2^139214825 is an apocalyptic number.

It is an amenable number.

139214825 is a deficient number, since it is larger than the sum of its proper divisors (34172515).

139214825 is a wasteful number, since it uses less digits than its factorization.

139214825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24556 (or 24551 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 139214825 is about 11798.9332144902. The cubic root of 139214825 is about 518.2768715588.

The spelling of 139214825 in words is "one hundred thirty-nine million, two hundred fourteen thousand, eight hundred twenty-five".