131900328 has 48 divisors (see below), whose sum is σ = 408264480. Its totient is φ = 37685664.

The previous prime is 131900317. The next prime is 131900333. The reversal of 131900328 is 823009131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130350 + ... + 131357.

It is an arithmetic number, because the mean of its divisors is an integer number (8505510).

Almost surely, 2^131900328 is an apocalyptic number.

131900328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131900328 is an abundant number, since it is smaller than the sum of its proper divisors (276364152).

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

131900328 is a wasteful number, since it uses less digits than its factorization.

131900328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261726 (or 261719 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 131900328 is about 11484.7868069024. The cubic root of 131900328 is about 509.0361495755.

Adding to 131900328 its reverse (823009131), we get a palindrome (954909459).

The spelling of 131900328 in words is "one hundred thirty-one million, nine hundred thousand, three hundred twenty-eight".