13420251235 has 8 divisors (see below), whose sum is σ = 16116518880. Its totient is φ = 10728056064.

The previous prime is 13420251227. The next prime is 13420251253. The reversal of 13420251235 is 53215202431.

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 13420251235 - 2³ = 13420251227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010862 + ... + 1024051.

It is an arithmetic number, because the mean of its divisors is an integer number (2014564860).

Almost surely, 2^13420251235 is an apocalyptic number.

13420251235 is a deficient number, since it is larger than the sum of its proper divisors (2696267645).

13420251235 is a wasteful number, since it uses less digits than its factorization.

13420251235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036237.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13420251235 its reverse (53215202431), we get a palindrome (66635453666).

The spelling of 13420251235 in words is "thirteen billion, four hundred twenty million, two hundred fifty-one thousand, two hundred thirty-five".