13866402307 has 4 divisors (see below), whose sum is σ = 13891032360. Its totient is φ = 13841772256.

The previous prime is 13866402289. The next prime is 13866402323. The reversal of 13866402307 is 70320466831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13866402307 - 2²³ = 13858013699 is a prime.

It is a super-2 number, since 2×13866402307² (a number of 21 digits) contains 22 as substring.

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 13866402307.

It is not an unprimeable number, because it can be changed into a prime (13866402337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12314182 + ... + 12315307.

It is an arithmetic number, because the mean of its divisors is an integer number (3472758090).

Almost surely, 2^13866402307 is an apocalyptic number.

13866402307 is a deficient number, since it is larger than the sum of its proper divisors (24630053).

13866402307 is an equidigital number, since it uses as much as digits as its factorization.

13866402307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24630052.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 13866402307 in words is "thirteen billion, eight hundred sixty-six million, four hundred two thousand, three hundred seven".