13381919154 has 24 divisors (see below), whose sum is σ = 29205799740. Its totient is φ = 4428079488.

The previous prime is 13381919077. The next prime is 13381919197. The reversal of 13381919154 is 45191918331.

It can be written as a sum of positive squares in 2 ways, for example, as 12105500625 + 1276418529 = 110025^2 + 35727^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2710819 + ... + 2715750.

Almost surely, 2^13381919154 is an apocalyptic number.

13381919154 is an abundant number, since it is smaller than the sum of its proper divisors (15823880586).

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

13381919154 is a wasteful number, since it uses less digits than its factorization.

13381919154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426714 (or 5426711 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The spelling of 13381919154 in words is "thirteen billion, three hundred eighty-one million, nine hundred nineteen thousand, one hundred fifty-four".