139325366 has 16 divisors (see below), whose sum is σ = 221227200. Its totient is φ = 65624328.

The previous prime is 139325363. The next prime is 139325369. The reversal of 139325366 is 663523931.

It is an interprime number because it is at equal distance from previous prime (139325363) and next prime (139325369).

It is a super-2 number, since 2×139325366² = 38823115222067912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139325363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3440 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (13826700).

Almost surely, 2^139325366 is an apocalyptic number.

139325366 is a deficient number, since it is larger than the sum of its proper divisors (81901834).

139325366 is a wasteful number, since it uses less digits than its factorization.

139325366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20683.

The product of its digits is 87480, while the sum is 38.

The square root of 139325366 is about 11803.6166491461. The cubic root of 139325366 is about 518.4140113756.

The spelling of 139325366 in words is "one hundred thirty-nine million, three hundred twenty-five thousand, three hundred sixty-six".