1398240598239 has 6 divisors (see below), whose sum is σ = 2019680864136. Its totient is φ = 932160398820.

The previous prime is 1398240598229. The next prime is 1398240598259. The reversal of 1398240598239 is 9328950428931.

1398240598239 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 2 + 4 + 0 + 598 + 2 + 39 = 666.

It is not a de Polignac number, because 1398240598239 - 2²³ = 1398232209631 is a prime.

It is a super-2 number, since 2×1398240598239² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398240598229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77680033227 + ... + 77680033244.

It is an arithmetic number, because the mean of its divisors is an integer number (336613477356).

Almost surely, 2^{1398240598239} is an apocalyptic number.

1398240598239 is a deficient number, since it is larger than the sum of its proper divisors (621440265897).

1398240598239 is a wasteful number, since it uses less digits than its factorization.

1398240598239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155360066477 (or 155360066474 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 1398240598239 in words is "one trillion, three hundred ninety-eight billion, two hundred forty million, five hundred ninety-eight thousand, two hundred thirty-nine".