13539239834580 has 54 divisors (see below), whose sum is σ = 41069177244186. Its totient is φ = 3610450791456.

The previous prime is 13539239834543. The next prime is 13539239834657. The reversal of 13539239834580 is 8543893293531.

It is a happy number.

13539239834580 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 92 + 3 + 98 + 3 + 458 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10831391867664 + 2707847966916 = 3291108^2 + 1645554^2 .

It is a super-2 number, since 2×13539239834580² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49229491 + ... + 49503749.

Almost surely, 2^{13539239834580} is an apocalyptic number.

13539239834580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13539239834580 is an abundant number, since it is smaller than the sum of its proper divisors (27529937409606).

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

13539239834580 is an frugal number, since it uses more digits than its factorization.

13539239834580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548533 (or 274269 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 13539239834580 in words is "thirteen trillion, five hundred thirty-nine billion, two hundred thirty-nine million, eight hundred thirty-four thousand, five hundred eighty".