13900935765620 has 96 divisors (see below), whose sum is σ = 31009485830400. Its totient is φ = 5216320456704.

The previous prime is 13900935765611. The next prime is 13900935765623. The reversal of 13900935765620 is 2656753900931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900935765623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218128121 + ... + 218191839.

It is an arithmetic number, because the mean of its divisors is an integer number (323015477400).

Almost surely, 2^{13900935765620} is an apocalyptic number.

13900935765620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13900935765620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15504742915200).

13900935765620 is an abundant number, since it is smaller than the sum of its proper divisors (17108550064780).

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

13900935765620 is a wasteful number, since it uses less digits than its factorization.

13900935765620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65817 (or 65815 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 56.

The spelling of 13900935765620 in words is "thirteen trillion, nine hundred billion, nine hundred thirty-five million, seven hundred sixty-five thousand, six hundred twenty".