131169973 has 8 divisors (see below), whose sum is σ = 143654400. Its totient is φ = 118778880.

The previous prime is 131169971. The next prime is 131169979. The reversal of 131169973 is 379961131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131169973 - 2¹ = 131169971 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 (131169971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20373 + ... + 26026.

It is an arithmetic number, because the mean of its divisors is an integer number (17956800).

Almost surely, 2^131169973 is an apocalyptic number.

It is an amenable number.

131169973 is a deficient number, since it is larger than the sum of its proper divisors (12484427).

131169973 is a wasteful number, since it uses less digits than its factorization.

131169973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46667.

The product of its digits is 30618, while the sum is 40.

The square root of 131169973 is about 11452.9460402117. The cubic root of 131169973 is about 508.0948695967.

The spelling of 131169973 in words is "one hundred thirty-one million, one hundred sixty-nine thousand, nine hundred seventy-three".