13540453426 has 16 divisors (see below), whose sum is σ = 20478024000. Its totient is φ = 6714546768.

The previous prime is 13540453397. The next prime is 13540453447. The reversal of 13540453426 is 62435404531.

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, 248500 + ... + 298048.

It is an arithmetic number, because the mean of its divisors is an integer number (1279876500).

Almost surely, 2^13540453426 is an apocalyptic number.

13540453426 is a deficient number, since it is larger than the sum of its proper divisors (6937570574).

13540453426 is a wasteful number, since it uses less digits than its factorization.

13540453426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50673.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13540453426 its reverse (62435404531), we get a palindrome (75975857957).

The spelling of 13540453426 in words is "thirteen billion, five hundred forty million, four hundred fifty-three thousand, four hundred twenty-six".