13137437140 has 72 divisors (see below), whose sum is σ = 30849668640. Its totient is φ = 4685511168.

The previous prime is 13137437113. The next prime is 13137437143. The reversal of 13137437140 is 4173473131.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 13137437096 and 13137437105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13137437143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50007 + ... + 169633.

It is an arithmetic number, because the mean of its divisors is an integer number (428467620).

Almost surely, 2^13137437140 is an apocalyptic number.

13137437140 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 13137437140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15424834320).

13137437140 is an abundant number, since it is smaller than the sum of its proper divisors (17712231500).

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

13137437140 is a wasteful number, since it uses less digits than its factorization.

13137437140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119689 (or 119670 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 13137437140 in words is "thirteen billion, one hundred thirty-seven million, four hundred thirty-seven thousand, one hundred forty".