13554574138 has 24 divisors (see below), whose sum is σ = 23674869972. Its totient is φ = 5803326144.

The previous prime is 13554574133. The next prime is 13554574157. The reversal of 13554574138 is 83147545531.

It can be written as a sum of positive squares in 2 ways, for example, as 12731285889 + 823288249 = 112833^2 + 28693^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13554574133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31006 + ... + 167542.

Almost surely, 2^13554574138 is an apocalyptic number.

13554574138 is a deficient number, since it is larger than the sum of its proper divisors (10120295834).

13554574138 is a wasteful number, since it uses less digits than its factorization.

13554574138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137566 (or 137559 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The spelling of 13554574138 in words is "thirteen billion, five hundred fifty-four million, five hundred seventy-four thousand, one hundred thirty-eight".