13641420526 has 8 divisors (see below), whose sum is σ = 20516121720. Its totient is φ = 6802713288.

The previous prime is 13641420521. The next prime is 13641420593. The reversal of 13641420526 is 62502414631.

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

It is a junction number, because it is equal to n+sod(n) for n = 13641420491 and 13641420500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641420521) 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, 8997541 + ... + 8999056.

It is an arithmetic number, because the mean of its divisors is an integer number (2564515215).

Almost surely, 2^13641420526 is an apocalyptic number.

13641420526 is a deficient number, since it is larger than the sum of its proper divisors (6874701194).

13641420526 is a wasteful number, since it uses less digits than its factorization.

13641420526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996978.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 13641420526 in words is "thirteen billion, six hundred forty-one million, four hundred twenty thousand, five hundred twenty-six".