13407540752 has 10 divisors (see below), whose sum is σ = 25977110238. Its totient is φ = 6703770368.

The previous prime is 13407540701. The next prime is 13407540781. The reversal of 13407540752 is 25704570431.

It can be written as a sum of positive squares in only one way, i.e., 13198333456 + 209207296 = 114884^2 + 14464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418985633 + ... + 418985664.

Almost surely, 2^13407540752 is an apocalyptic number.

It is an amenable number.

13407540752 is a deficient number, since it is larger than the sum of its proper divisors (12569569486).

13407540752 is an equidigital number, since it uses as much as digits as its factorization.

13407540752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837971305 (or 837971299 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 13407540752 in words is "thirteen billion, four hundred seven million, five hundred forty thousand, seven hundred fifty-two".