13240503534 has 16 divisors (see below), whose sum is σ = 26738105472. Its totient is φ = 4370651448.

The previous prime is 13240503517. The next prime is 13240503547. The reversal of 13240503534 is 43530504231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10711764 + ... + 10712999.

It is an arithmetic number, because the mean of its divisors is an integer number (1671131592).

Almost surely, 2^13240503534 is an apocalyptic number.

13240503534 is an abundant number, since it is smaller than the sum of its proper divisors (13497601938).

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

13240503534 is a wasteful number, since it uses less digits than its factorization.

13240503534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21424871.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 13240503534 in words is "thirteen billion, two hundred forty million, five hundred three thousand, five hundred thirty-four".