131194250 has 48 divisors (see below), whose sum is σ = 270014472. Its totient is φ = 47696000.

The previous prime is 131194223. The next prime is 131194303. The reversal of 131194250 is 52491131.

It can be written as a sum of positive squares in 4 ways, for example, as 7027801 + 124166449 = 2651^2 + 11143^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28082 + ... + 32418.

Almost surely, 2^131194250 is an apocalyptic number.

131194250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131194250 is an abundant number, since it is smaller than the sum of its proper divisors (138820222).

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

131194250 is a wasteful number, since it uses less digits than its factorization.

131194250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 131194250 is about 11454.0058494834. The cubic root of 131194250 is about 508.1262138084.

The spelling of 131194250 in words is "one hundred thirty-one million, one hundred ninety-four thousand, two hundred fifty".