139880239501 has 2 divisors, whose sum is σ = 139880239502. Its totient is φ = 139880239500.

The previous prime is 139880239483. The next prime is 139880239537. The reversal of 139880239501 is 105932088931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109141033225 + 30739206276 = 330365^2 + 175326^2 .

It is a cyclic number.

It is not a de Polignac number, because 139880239501 - 2²⁹ = 139343368589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139880233501) 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, 69940119750 + 69940119751.

It is an arithmetic number, because the mean of its divisors is an integer number (69940119751).

Almost surely, 2^139880239501 is an apocalyptic number.

It is an amenable number.

139880239501 is a deficient number, since it is larger than the sum of its proper divisors (1).

139880239501 is an equidigital number, since it uses as much as digits as its factorization.

139880239501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 139880239501 in words is "one hundred thirty-nine billion, eight hundred eighty million, two hundred thirty-nine thousand, five hundred one".