139325669 has 12 divisors (see below), whose sum is σ = 162430848. Its totient is φ = 119158200.

The previous prime is 139325617. The next prime is 139325699. The reversal of 139325669 is 966523931.

139325669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139325669 - 2⁸ = 139325413 is a prime.

It is a super-2 number, since 2×139325669² = 38823284084595122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139325699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21164 + ... + 26954.

It is an arithmetic number, because the mean of its divisors is an integer number (13535904).

Almost surely, 2^139325669 is an apocalyptic number.

It is an amenable number.

139325669 is a deficient number, since it is larger than the sum of its proper divisors (23105179).

139325669 is an equidigital number, since it uses as much as digits as its factorization.

139325669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296 (or 6289 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 139325669 is about 11803.6294841883. The cubic root of 139325669 is about 518.4143871849.

The spelling of 139325669 in words is "one hundred thirty-nine million, three hundred twenty-five thousand, six hundred sixty-nine".