13781339592 has 32 divisors (see below), whose sum is σ = 34701223200. Its totient is φ = 4560729984.

The previous prime is 13781339587. The next prime is 13781339639. The reversal of 13781339592 is 29593318731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062213 + ... + 2068884.

It is an arithmetic number, because the mean of its divisors is an integer number (1084413225).

Almost surely, 2^13781339592 is an apocalyptic number.

13781339592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13781339592 is an abundant number, since it is smaller than the sum of its proper divisors (20919883608).

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

13781339592 is a wasteful number, since it uses less digits than its factorization.

13781339592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131245 (or 4131241 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The spelling of 13781339592 in words is "thirteen billion, seven hundred eighty-one million, three hundred thirty-nine thousand, five hundred ninety-two".