39880240139 has 2 divisors, whose sum is σ = 39880240140. Its totient is φ = 39880240138.

The previous prime is 39880240117. The next prime is 39880240181. The reversal of 39880240139 is 93104208893.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39880240139 - 2²⁴ = 39863462923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39880240093 and 39880240102.

It is not a weakly prime, because it can be changed into another prime (39880242139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19940120069 + 19940120070.

It is an arithmetic number, because the mean of its divisors is an integer number (19940120070).

Almost surely, 2^39880240139 is an apocalyptic number.

39880240139 is a deficient number, since it is larger than the sum of its proper divisors (1).

39880240139 is an equidigital number, since it uses as much as digits as its factorization.

39880240139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 39880240139 in words is "thirty-nine billion, eight hundred eighty million, two hundred forty thousand, one hundred thirty-nine".