39259400137 has 2 divisors, whose sum is σ = 39259400138. Its totient is φ = 39259400136.

The previous prime is 39259400113. The next prime is 39259400149. The reversal of 39259400137 is 73100495293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32499436176 + 6759963961 = 180276^2 + 82219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39259400137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39259400093 and 39259400102.

It is not a weakly prime, because it can be changed into another prime (39259400437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19629700068 + 19629700069.

It is an arithmetic number, because the mean of its divisors is an integer number (19629700069).

Almost surely, 2^39259400137 is an apocalyptic number.

It is an amenable number.

39259400137 is a deficient number, since it is larger than the sum of its proper divisors (1).

39259400137 is an equidigital number, since it uses as much as digits as its factorization.

39259400137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 39259400137 in words is "thirty-nine billion, two hundred fifty-nine million, four hundred thousand, one hundred thirty-seven".