13397181300 has 90 divisors (see below), whose sum is σ = 43428395318. Its totient is φ = 3572579520.

The previous prime is 13397181299. The next prime is 13397181319. The reversal of 13397181300 is 318179331.

13397181300 is a `hidden beast` number, since 1 + 339 + 7 + 18 + 1 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 138579984 + 13258601316 = 11772^2 + 115146^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 818887 + ... + 835086.

Almost surely, 2^13397181300 is an apocalyptic number.

13397181300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13397181300 is an abundant number, since it is smaller than the sum of its proper divisors (30031214018).

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

13397181300 is a wasteful number, since it uses less digits than its factorization.

13397181300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653999 (or 1653983 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 13397181300 in words is "thirteen billion, three hundred ninety-seven million, one hundred eighty-one thousand, three hundred".