13635027434 has 12 divisors (see below), whose sum is σ = 23791731714. Its totient is φ = 5843583144.

The previous prime is 13635027431. The next prime is 13635027451. The reversal of 13635027434 is 43472053631.

It can be written as a sum of positive squares in only one way, i.e., 11150304025 + 2484723409 = 105595^2 + 49847^2 .

It is not an unprimeable number, because it can be changed into a prime (13635027431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69566369 + ... + 69566564.

Almost surely, 2^13635027434 is an apocalyptic number.

13635027434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13635027434 is a deficient number, since it is larger than the sum of its proper divisors (10156704280).

13635027434 is a wasteful number, since it uses less digits than its factorization.

13635027434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139132949 (or 139132942 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 13635027434 in words is "thirteen billion, six hundred thirty-five million, twenty-seven thousand, four hundred thirty-four".