13534120642 has 32 divisors (see below), whose sum is σ = 23300567424. Its totient is φ = 5775580800.

The previous prime is 13534120637. The next prime is 13534120673. The reversal of 13534120642 is 24602143531.

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, 5471518 + ... + 5473990.

It is an arithmetic number, because the mean of its divisors is an integer number (728142732).

Almost surely, 2^13534120642 is an apocalyptic number.

13534120642 is a deficient number, since it is larger than the sum of its proper divisors (9766446782).

13534120642 is a wasteful number, since it uses less digits than its factorization.

13534120642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 13534120642 in words is "thirteen billion, five hundred thirty-four million, one hundred twenty thousand, six hundred forty-two".