13401555534 has 12 divisors (see below), whose sum is σ = 29036703696. Its totient is φ = 4467185172.

The previous prime is 13401555529. The next prime is 13401555571. The reversal of 13401555534 is 43555510431.

13401555534 is a `hidden beast` number, since 13 + 40 + 1 + 55 + 553 + 4 = 666.

13401555534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372265414 + ... + 372265449.

It is an arithmetic number, because the mean of its divisors is an integer number (2419725308).

Almost surely, 2^13401555534 is an apocalyptic number.

13401555534 is an abundant number, since it is smaller than the sum of its proper divisors (15635148162).

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

13401555534 is a wasteful number, since it uses less digits than its factorization.

13401555534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744530871 (or 744530868 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 13401555534 in words is "thirteen billion, four hundred one million, five hundred fifty-five thousand, five hundred thirty-four".