131814250 has 32 divisors (see below), whose sum is σ = 249200640. Its totient is φ = 52203600.

The previous prime is 131814223. The next prime is 131814253. The reversal of 131814250 is 52418131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (131814253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23191 + ... + 28309.

It is an arithmetic number, because the mean of its divisors is an integer number (7787520).

Almost surely, 2^131814250 is an apocalyptic number.

131814250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131814250 is a deficient number, since it is larger than the sum of its proper divisors (117386390).

131814250 is a wasteful number, since it uses less digits than its factorization.

131814250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 131814250 is about 11481.0387160744. The cubic root of 131814250 is about 508.9253933466.

The spelling of 131814250 in words is "one hundred thirty-one million, eight hundred fourteen thousand, two hundred fifty".