13540355 has 4 divisors (see below), whose sum is σ = 16248432. Its totient is φ = 10832280.

The previous prime is 13540333. The next prime is 13540367. The reversal of 13540355 is 55304531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55304531 = 41 ⋅1348891.

It is a de Polignac number, because none of the positive numbers 2^k-13540355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354031 + ... + 1354040.

It is an arithmetic number, because the mean of its divisors is an integer number (4062108).

Almost surely, 2^13540355 is an apocalyptic number.

13540355 is a deficient number, since it is larger than the sum of its proper divisors (2708077).

13540355 is an equidigital number, since it uses as much as digits as its factorization.

13540355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708076.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 13540355 is about 3679.7221362489. The cubic root of 13540355 is about 238.3471794435.

Adding to 13540355 its reverse (55304531), we get a palindrome (68844886).

The spelling of 13540355 in words is "thirteen million, five hundred forty thousand, three hundred fifty-five".