131651143 has 16 divisors (see below), whose sum is σ = 146474496. Its totient is φ = 117538560.

The previous prime is 131651137. The next prime is 131651153. The reversal of 131651143 is 341156131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131651143 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 (131651153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91155 + ... + 92587.

It is an arithmetic number, because the mean of its divisors is an integer number (9154656).

Almost surely, 2^131651143 is an apocalyptic number.

131651143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131651143 is a deficient number, since it is larger than the sum of its proper divisors (14823353).

131651143 is a wasteful number, since it uses less digits than its factorization.

131651143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 1080, while the sum is 25.

The square root of 131651143 is about 11473.9331965983. The cubic root of 131651143 is about 508.7153918830.

The spelling of 131651143 in words is "one hundred thirty-one million, six hundred fifty-one thousand, one hundred forty-three".