138820651333013 has 16 divisors (see below), whose sum is σ = 153117388440576. Its totient is φ = 125066120612160.

The previous prime is 138820651332977. The next prime is 138820651333027. The reversal of 138820651333013 is 310333156028831.

It is not a de Polignac number, because 138820651333013 - 2⁸ = 138820651332757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138820651333513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527306495 + ... + 527569692.

It is an arithmetic number, because the mean of its divisors is an integer number (9569836777536).

Almost surely, 2^{138820651333013} is an apocalyptic number.

138820651333013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138820651333013 is a deficient number, since it is larger than the sum of its proper divisors (14296737107563).

138820651333013 is a wasteful number, since it uses less digits than its factorization.

138820651333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054876444.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 138820651333013 in words is "one hundred thirty-eight trillion, eight hundred twenty billion, six hundred fifty-one million, three hundred thirty-three thousand, thirteen".