131574505 has 8 divisors (see below), whose sum is σ = 159792192. Its totient is φ = 103991088.

The previous prime is 131574493. The next prime is 131574523. The reversal of 131574505 is 505475131.

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

It is a cyclic number.

It is not a de Polignac number, because 131574505 - 2⁵ = 131574473 is a prime.

It is a super-3 number, since 3×131574505³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158109 + ... + 158938.

It is an arithmetic number, because the mean of its divisors is an integer number (19974024).

Almost surely, 2^131574505 is an apocalyptic number.

It is an amenable number.

131574505 is a deficient number, since it is larger than the sum of its proper divisors (28217687).

131574505 is an equidigital number, since it uses as much as digits as its factorization.

131574505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317135.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 131574505 is about 11470.5930535435. The cubic root of 131574505 is about 508.6166599948.

The spelling of 131574505 in words is "one hundred thirty-one million, five hundred seventy-four thousand, five hundred five".