139328807 has 2 divisors, whose sum is σ = 139328808. Its totient is φ = 139328806.

The previous prime is 139328801. The next prime is 139328851. The reversal of 139328807 is 708823931.

It is a weak prime.

It is an emirp because it is prime and its reverse (708823931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139328807 - 2⁶ = 139328743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139328801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69664403 + 69664404.

It is an arithmetic number, because the mean of its divisors is an integer number (69664404).

Almost surely, 2^139328807 is an apocalyptic number.

139328807 is a deficient number, since it is larger than the sum of its proper divisors (1).

139328807 is an equidigital number, since it uses as much as digits as its factorization.

139328807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 139328807 is about 11803.7624086560. The cubic root of 139328807 is about 518.4182791984.

The spelling of 139328807 in words is "one hundred thirty-nine million, three hundred twenty-eight thousand, eight hundred seven".