131950240 has 48 divisors (see below), whose sum is σ = 313420968. Its totient is φ = 52494336.

The previous prime is 131950237. The next prime is 131950271. The reversal of 131950240 is 42059131.

It can be written as a sum of positive squares in 4 ways, for example, as 74857104 + 57093136 = 8652^2 + 7556^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28744 + ... + 33016.

Almost surely, 2^131950240 is an apocalyptic number.

131950240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131950240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156710484).

131950240 is an abundant number, since it is smaller than the sum of its proper divisors (181470728).

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

131950240 is a wasteful number, since it uses less digits than its factorization.

131950240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 131950240 is about 11486.9595629131. The cubic root of 131950240 is about 509.1003490828.

The spelling of 131950240 in words is "one hundred thirty-one million, nine hundred fifty thousand, two hundred forty".