131254473 has 16 divisors (see below), whose sum is σ = 200668160. Its totient is φ = 74754576.

The previous prime is 131254427. The next prime is 131254477. The reversal of 131254473 is 374452131.

It is a happy number.

It is not a de Polignac number, because 131254473 - 2¹² = 131250377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131254473.

It is not an unprimeable number, because it can be changed into a prime (131254477) 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, 3733 + ... + 16626.

It is an arithmetic number, because the mean of its divisors is an integer number (12541760).

Almost surely, 2^131254473 is an apocalyptic number.

It is an amenable number.

131254473 is a deficient number, since it is larger than the sum of its proper divisors (69413687).

131254473 is a wasteful number, since it uses less digits than its factorization.

131254473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20676.

The product of its digits is 10080, while the sum is 30.

The square root of 131254473 is about 11456.6344534510. The cubic root of 131254473 is about 508.2039514732.

The spelling of 131254473 in words is "one hundred thirty-one million, two hundred fifty-four thousand, four hundred seventy-three".