13487567365 has 8 divisors (see below), whose sum is σ = 16191892728. Its totient is φ = 10785512640.

The previous prime is 13487567363. The next prime is 13487567447. The reversal of 13487567365 is 56376578431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2342753604 + 11144813761 = 48402^2 + 105569^2 .

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

It is not a de Polignac number, because 13487567365 - 2¹ = 13487567363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487567363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554562 + ... + 578371.

It is an arithmetic number, because the mean of its divisors is an integer number (2023986591).

Almost surely, 2^13487567365 is an apocalyptic number.

It is an amenable number.

13487567365 is a deficient number, since it is larger than the sum of its proper divisors (2704325363).

13487567365 is a wasteful number, since it uses less digits than its factorization.

13487567365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135319.

The product of its digits is 12700800, while the sum is 55.

The spelling of 13487567365 in words is "thirteen billion, four hundred eighty-seven million, five hundred sixty-seven thousand, three hundred sixty-five".