13864138290 has 24 divisors (see below), whose sum is σ = 36046759788. Its totient is φ = 3697103520.

The previous prime is 13864138289. The next prime is 13864138429. The reversal of 13864138290 is 9283146831.

It can be written as a sum of positive squares in 2 ways, for example, as 13858704729 + 5433561 = 117723^2 + 2331^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 77022901 + ... + 77023080.

Almost surely, 2^13864138290 is an apocalyptic number.

13864138290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13864138290 is an abundant number, since it is smaller than the sum of its proper divisors (22182621498).

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

13864138290 is a wasteful number, since it uses less digits than its factorization.

13864138290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154045994 (or 154045991 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13864138290 in words is "thirteen billion, eight hundred sixty-four million, one hundred thirty-eight thousand, two hundred ninety".