138941635053 has 32 divisors (see below), whose sum is σ = 204896522880. Its totient is φ = 83220998400.

The previous prime is 138941635043. The next prime is 138941635057. The reversal of 138941635053 is 350536149831.

It is not a de Polignac number, because 138941635053 - 2²⁵ = 138908080621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138941634993 and 138941635011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138941635057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66526 + ... + 531327.

It is an arithmetic number, because the mean of its divisors is an integer number (6403016340).

Almost surely, 2^138941635053 is an apocalyptic number.

138941635053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138941635053 is a deficient number, since it is larger than the sum of its proper divisors (65954887827).

138941635053 is a wasteful number, since it uses less digits than its factorization.

138941635053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598029.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 138941635053 in words is "one hundred thirty-eight billion, nine hundred forty-one million, six hundred thirty-five thousand, fifty-three".