13662140537 has 8 divisors (see below), whose sum is σ = 13887980160. Its totient is φ = 13436361360.

The previous prime is 13662140521. The next prime is 13662140563. The reversal of 13662140537 is 73504126631.

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

It is a cyclic number.

It is not a de Polignac number, because 13662140537 - 2⁴ = 13662140521 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 13662140537.

It is not an unprimeable number, because it can be changed into a prime (13662140237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797888 + ... + 814830.

It is an arithmetic number, because the mean of its divisors is an integer number (1735997520).

Almost surely, 2^13662140537 is an apocalyptic number.

It is an amenable number.

13662140537 is a deficient number, since it is larger than the sum of its proper divisors (225839623).

13662140537 is a wasteful number, since it uses less digits than its factorization.

13662140537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30223.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 13662140537 in words is "thirteen billion, six hundred sixty-two million, one hundred forty thousand, five hundred thirty-seven".