13140564101565 has 64 divisors (see below), whose sum is σ = 21539258726400. Its totient is φ = 6839502278400.

The previous prime is 13140564101557. The next prime is 13140564101597. The reversal of 13140564101565 is 56510146504131.

It is a happy number.

It is not a de Polignac number, because 13140564101565 - 2³ = 13140564101557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32055222 + ... + 32462568.

It is an arithmetic number, because the mean of its divisors is an integer number (336550917600).

Almost surely, 2^{13140564101565} is an apocalyptic number.

13140564101565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140564101565 is a deficient number, since it is larger than the sum of its proper divisors (8398694624835).

13140564101565 is a wasteful number, since it uses less digits than its factorization.

13140564101565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407762.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 13140564101565 in words is "thirteen trillion, one hundred forty billion, five hundred sixty-four million, one hundred one thousand, five hundred sixty-five".