131899250 has 128 divisors (see below), whose sum is σ = 307307520. Its totient is φ = 41395200.

The previous prime is 131899241. The next prime is 131899253. The reversal of 131899250 is 52998131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131899253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1167194 + ... + 1167306.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^131899250 is an apocalyptic number.

131899250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131899250 is an abundant number, since it is smaller than the sum of its proper divisors (175408270).

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

131899250 is a wasteful number, since it uses less digits than its factorization.

131899250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 131899250 is about 11484.7398751561. The cubic root of 131899250 is about 509.0347628150.

The spelling of 131899250 in words is "one hundred thirty-one million, eight hundred ninety-nine thousand, two hundred fifty".