13543540234 has 16 divisors (see below), whose sum is σ = 23223693888. Its totient is φ = 5802825312.

The previous prime is 13543540217. The next prime is 13543540247. The reversal of 13543540234 is 43204534531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13543540234.

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, 73947 + ... + 180430.

It is an arithmetic number, because the mean of its divisors is an integer number (1451480868).

Almost surely, 2^13543540234 is an apocalyptic number.

13543540234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13543540234 is a deficient number, since it is larger than the sum of its proper divisors (9680153654).

13543540234 is a wasteful number, since it uses less digits than its factorization.

13543540234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258189.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 13543540234 in words is "thirteen billion, five hundred forty-three million, five hundred forty thousand, two hundred thirty-four".