131574530 has 8 divisors (see below), whose sum is σ = 236834172. Its totient is φ = 52629808.

The previous prime is 131574523. The next prime is 131574581. The reversal of 131574530 is 35475131.

It can be written as a sum of positive squares in 2 ways, for example, as 124567921 + 7006609 = 11161^2 + 2647^2 .

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

It is a super-3 number, since 3×131574530³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131574493 and 131574502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6578717 + ... + 6578736.

Almost surely, 2^131574530 is an apocalyptic number.

131574530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131574530 is a deficient number, since it is larger than the sum of its proper divisors (105259642).

131574530 is a wasteful number, since it uses less digits than its factorization.

131574530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157460.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 131574530 is about 11470.5941432866. The cubic root of 131574530 is about 508.6166922083.

The spelling of 131574530 in words is "one hundred thirty-one million, five hundred seventy-four thousand, five hundred thirty".