131532450 has 48 divisors (see below), whose sum is σ = 372803520. Its totient is φ = 30064320.

The previous prime is 131532439. The next prime is 131532481. The reversal of 131532450 is 54235131.

It is a self number, because there is not a number n which added to its sum of digits gives 131532450.

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, 61585 + ... + 63684.

It is an arithmetic number, because the mean of its divisors is an integer number (7766740).

Almost surely, 2^131532450 is an apocalyptic number.

131532450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131532450 is an abundant number, since it is smaller than the sum of its proper divisors (241271070).

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

131532450 is a wasteful number, since it uses less digits than its factorization.

131532450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125291 (or 125286 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 131532450 is about 11468.7597411403. The cubic root of 131532450 is about 508.5624647109.

Adding to 131532450 its reverse (54235131), we get a palindrome (185767581).

The spelling of 131532450 in words is "one hundred thirty-one million, five hundred thirty-two thousand, four hundred fifty".