13554143 has 2 divisors, whose sum is σ = 13554144. Its totient is φ = 13554142.

The previous prime is 13554137. The next prime is 13554157. The reversal of 13554143 is 34145531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13554143 - 2⁴ = 13554127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13554133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777071 + 6777072.

It is an arithmetic number, because the mean of its divisors is an integer number (6777072).

Almost surely, 2^13554143 is an apocalyptic number.

13554143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13554143 is an equidigital number, since it uses as much as digits as its factorization.

13554143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 13554143 is about 3681.5951705748. The cubic root of 13554143 is about 238.4280541340.

Adding to 13554143 its reverse (34145531), we get a palindrome (47699674).

The spelling of 13554143 in words is "thirteen million, five hundred fifty-four thousand, one hundred forty-three".