13640542854 has 8 divisors (see below), whose sum is σ = 27281085720. Its totient is φ = 4546847616.

The previous prime is 13640542837. The next prime is 13640542873. The reversal of 13640542854 is 45824504631.

It is a sphenic number, since it is the product of 3 distinct primes.

13640542854 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136711899 + ... + 1136711910.

It is an arithmetic number, because the mean of its divisors is an integer number (3410135715).

Almost surely, 2^13640542854 is an apocalyptic number.

13640542854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13640542854 is a wasteful number, since it uses less digits than its factorization.

13640542854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273423814.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 13640542854 in words is "thirteen billion, six hundred forty million, five hundred forty-two thousand, eight hundred fifty-four".