13235326556540 has 24 divisors (see below), whose sum is σ = 30320929930032. Its totient is φ = 4812846020480.

The previous prime is 13235326556509. The next prime is 13235326556567. The reversal of 13235326556540 is 4565562353231.

It is a congruent number.

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, 30080287409 + ... + 30080287848.

It is an arithmetic number, because the mean of its divisors is an integer number (1263372080418).

Almost surely, 2^{13235326556540} is an apocalyptic number.

13235326556540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13235326556540 is an abundant number, since it is smaller than the sum of its proper divisors (17085603373492).

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

13235326556540 is a wasteful number, since it uses less digits than its factorization.

13235326556540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60160575277 (or 60160575275 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 13235326556540 in words is "thirteen trillion, two hundred thirty-five billion, three hundred twenty-six million, five hundred fifty-six thousand, five hundred forty".