13939020129340 has 24 divisors (see below), whose sum is σ = 29272363328880. Its totient is φ = 5575527850368.

The previous prime is 13939020129337. The next prime is 13939020129409. The reversal of 13939020129340 is 4392102093931.

It is a super-2 number, since 2×13939020129340² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3577402 + ... + 6377761.

It is an arithmetic number, because the mean of its divisors is an integer number (1219681805370).

Almost surely, 2^{13939020129340} is an apocalyptic number.

13939020129340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13939020129340 is an abundant number, since it is smaller than the sum of its proper divisors (15333343199540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13939020129340 is a wasteful number, since it uses less digits than its factorization.

13939020129340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025181 (or 10025179 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 13939020129340 in words is "thirteen trillion, nine hundred thirty-nine billion, twenty million, one hundred twenty-nine thousand, three hundred forty".