139604107 has 2 divisors, whose sum is σ = 139604108. Its totient is φ = 139604106.

The previous prime is 139604099. The next prime is 139604117. The reversal of 139604107 is 701406931.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (701406931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139604107 - 2³ = 139604099 is a prime.

It is not a weakly prime, because it can be changed into another prime (139604117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69802053 + 69802054.

It is an arithmetic number, because the mean of its divisors is an integer number (69802054).

Almost surely, 2^139604107 is an apocalyptic number.

139604107 is a deficient number, since it is larger than the sum of its proper divisors (1).

139604107 is an equidigital number, since it uses as much as digits as its factorization.

139604107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 139604107 is about 11815.4181898061. The cubic root of 139604107 is about 518.7595023759.

The spelling of 139604107 in words is "one hundred thirty-nine million, six hundred four thousand, one hundred seven".