13140652523 has 4 divisors (see below), whose sum is σ = 13325732208. Its totient is φ = 12955572840.

The previous prime is 13140652487. The next prime is 13140652531. The reversal of 13140652523 is 32525604131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32525604131 = 5531 ⋅5880601.

It is a cyclic number.

It is not a de Polignac number, because 13140652523 - 2⁸ = 13140652267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13140652523.

It is not an unprimeable number, because it can be changed into a prime (13140655523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92539736 + ... + 92539877.

It is an arithmetic number, because the mean of its divisors is an integer number (3331433052).

Almost surely, 2^13140652523 is an apocalyptic number.

13140652523 is a deficient number, since it is larger than the sum of its proper divisors (185079685).

13140652523 is an equidigital number, since it uses as much as digits as its factorization.

13140652523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185079684.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 13140652523 in words is "thirteen billion, one hundred forty million, six hundred fifty-two thousand, five hundred twenty-three".