139379095 has 16 divisors (see below), whose sum is σ = 170282880. Its totient is φ = 109495584.

The previous prime is 139379087. The next prime is 139379099. The reversal of 139379095 is 590973931.

It is a cyclic number.

It is not a de Polignac number, because 139379095 - 2³ = 139379087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139379099) 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 15 ways as a sum of consecutive naturals, for example, 188236 + ... + 188974.

It is an arithmetic number, because the mean of its divisors is an integer number (10642680).

Almost surely, 2^139379095 is an apocalyptic number.

139379095 is a deficient number, since it is larger than the sum of its proper divisors (30903785).

139379095 is an equidigital number, since it uses as much as digits as its factorization.

139379095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 139379095 is about 11805.8923847374. The cubic root of 139379095 is about 518.4806426658.

It can be divided in two parts, 13937 and 9095, that added together give a palindrome (23032).

The spelling of 139379095 in words is "one hundred thirty-nine million, three hundred seventy-nine thousand, ninety-five".