131175066 has 16 divisors (see below), whose sum is σ = 286200288. Its totient is φ = 39750000.

The previous prime is 131175061. The next prime is 131175089. The reversal of 131175066 is 660571131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131175061) 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, 993685 + ... + 993816.

It is an arithmetic number, because the mean of its divisors is an integer number (17887518).

Almost surely, 2^131175066 is an apocalyptic number.

131175066 is an abundant number, since it is smaller than the sum of its proper divisors (155025222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131175066 is a wasteful number, since it uses less digits than its factorization.

131175066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987517.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 131175066 is about 11453.1683825918. The cubic root of 131175066 is about 508.1014455267.

The spelling of 131175066 in words is "one hundred thirty-one million, one hundred seventy-five thousand, sixty-six".