13540455 has 36 divisors (see below), whose sum is σ = 24190920. Its totient is φ = 7006080.

The previous prime is 13540433. The next prime is 13540463. The reversal of 13540455 is 55404531.

It is not a de Polignac number, because 13540455 - 2⁶ = 13540391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75556 + ... + 75734.

It is an arithmetic number, because the mean of its divisors is an integer number (671970).

Almost surely, 2^13540455 is an apocalyptic number.

13540455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13540455 is a deficient number, since it is larger than the sum of its proper divisors (10650465).

13540455 is a wasteful number, since it uses less digits than its factorization.

13540455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 13540455 is about 3679.7357242063. The cubic root of 13540455 is about 238.3477661996.

Adding to 13540455 its reverse (55404531), we get a palindrome (68944986).

The spelling of 13540455 in words is "thirteen million, five hundred forty thousand, four hundred fifty-five".