139327637 has 2 divisors, whose sum is σ = 139327638. Its totient is φ = 139327636.

The previous prime is 139327621. The next prime is 139327649. The reversal of 139327637 is 736723931.

139327637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108347281 + 30980356 = 10409^2 + 5566^2 .

It is an emirp because it is prime and its reverse (736723931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139327637 - 2⁴ = 139327621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139327594 and 139327603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139357637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69663818 + 69663819.

It is an arithmetic number, because the mean of its divisors is an integer number (69663819).

Almost surely, 2^139327637 is an apocalyptic number.

It is an amenable number.

139327637 is a deficient number, since it is larger than the sum of its proper divisors (1).

139327637 is an equidigital number, since it uses as much as digits as its factorization.

139327637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 41.

The square root of 139327637 is about 11803.7128480830. The cubic root of 139327637 is about 518.4168280721.

The spelling of 139327637 in words is "one hundred thirty-nine million, three hundred twenty-seven thousand, six hundred thirty-seven".