13401877125 has 128 divisors (see below), whose sum is σ = 27534753792. Its totient is φ = 5637254400.

The previous prime is 13401877063. The next prime is 13401877133. The reversal of 13401877125 is 52177810431.

It is a happy number.

It is not a de Polignac number, because 13401877125 - 2²² = 13397682821 is a prime.

It is a super-2 number, since 2×13401877125² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20713552 + ... + 20714198.

It is an arithmetic number, because the mean of its divisors is an integer number (215115264).

Almost surely, 2^13401877125 is an apocalyptic number.

13401877125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13401877125 is an abundant number, since it is smaller than the sum of its proper divisors (14132876667).

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

13401877125 is a wasteful number, since it uses less digits than its factorization.

13401877125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 13401877125 in words is "thirteen billion, four hundred one million, eight hundred seventy-seven thousand, one hundred twenty-five".