13235694434 has 8 divisors (see below), whose sum is σ = 20092741200. Its totient is φ = 6538114036.

The previous prime is 13235694431. The next prime is 13235694457. The reversal of 13235694434 is 43449653231.

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

It is not an unprimeable number, because it can be changed into a prime (13235694431) 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, 39866384 + ... + 39866715.

It is an arithmetic number, because the mean of its divisors is an integer number (2511592650).

Almost surely, 2^13235694434 is an apocalyptic number.

13235694434 is a deficient number, since it is larger than the sum of its proper divisors (6857046766).

13235694434 is an equidigital number, since it uses as much as digits as its factorization.

13235694434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79733184.

The product of its digits is 933120, while the sum is 44.

The spelling of 13235694434 in words is "thirteen billion, two hundred thirty-five million, six hundred ninety-four thousand, four hundred thirty-four".