13156143 has 48 divisors (see below), whose sum is σ = 23751936. Its totient is φ = 6289920.

The previous prime is 13156109. The next prime is 13156153. The reversal of 13156143 is 34165131.

It is not a de Polignac number, because 13156143 - 2⁸ = 13155887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38871 + ... + 39207.

It is an arithmetic number, because the mean of its divisors is an integer number (494832).

Almost surely, 2^13156143 is an apocalyptic number.

13156143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13156143 is a deficient number, since it is larger than the sum of its proper divisors (10595793).

13156143 is a wasteful number, since it uses less digits than its factorization.

13156143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 371 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 13156143 is about 3627.1397822527. The cubic root of 13156143 is about 236.0711207176.

The spelling of 13156143 in words is "thirteen million, one hundred fifty-six thousand, one hundred forty-three".