13083540538 has 8 divisors (see below), whose sum is σ = 19805359860. Its totient is φ = 6481753920.

The previous prime is 13083540529. The next prime is 13083540583. The reversal of 13083540538 is 83504538031.

It can be written as a sum of positive squares in 2 ways, for example, as 13024972129 + 58568409 = 114127^2 + 7653^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13083540538.

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, 30007903 + ... + 30008338.

Almost surely, 2^13083540538 is an apocalyptic number.

13083540538 is a deficient number, since it is larger than the sum of its proper divisors (6721819322).

13083540538 is a wasteful number, since it uses less digits than its factorization.

13083540538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60016352.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 13083540538 in words is "thirteen billion, eighty-three million, five hundred forty thousand, five hundred thirty-eight".