13654520138 has 32 divisors (see below), whose sum is σ = 24235200000. Its totient is φ = 5645412864.

The previous prime is 13654520129. The next prime is 13654520177. The reversal of 13654520138 is 83102545631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493631 + ... + 520557.

It is an arithmetic number, because the mean of its divisors is an integer number (757350000).

Almost surely, 2^13654520138 is an apocalyptic number.

13654520138 is a deficient number, since it is larger than the sum of its proper divisors (10580679862).

13654520138 is a wasteful number, since it uses less digits than its factorization.

13654520138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28214.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 13654520138 in words is "thirteen billion, six hundred fifty-four million, five hundred twenty thousand, one hundred thirty-eight".