131078143 has 32 divisors (see below), whose sum is σ = 163676160. Its totient is φ = 102435840.

The previous prime is 131078119. The next prime is 131078179. The reversal of 131078143 is 341870131.

It is a cyclic number.

It is not a de Polignac number, because 131078143 - 2²¹ = 128980991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131078183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686178 + ... + 686368.

It is an arithmetic number, because the mean of its divisors is an integer number (5114880).

Almost surely, 2^131078143 is an apocalyptic number.

131078143 is a deficient number, since it is larger than the sum of its proper divisors (32598017).

131078143 is a wasteful number, since it uses less digits than its factorization.

131078143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 131078143 is about 11448.9363261396. The cubic root of 131078143 is about 507.9762722193.

The spelling of 131078143 in words is "one hundred thirty-one million, seventy-eight thousand, one hundred forty-three".