13437989120 has 72 divisors (see below), whose sum is σ = 33226609920. Its totient is φ = 5201786880.

The previous prime is 13437989119. The next prime is 13437989129. The reversal of 13437989120 is 2198973431.

It is not an unprimeable number, because it can be changed into a prime (13437989129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129650 + ... + 209009.

Almost surely, 2^13437989120 is an apocalyptic number.

13437989120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13437989120 is an abundant number, since it is smaller than the sum of its proper divisors (19788620800).

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

13437989120 is an equidigital number, since it uses as much as digits as its factorization.

13437989120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338711 (or 338697 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 13437989120 in words is "thirteen billion, four hundred thirty-seven million, nine hundred eighty-nine thousand, one hundred twenty".