131810752 has 56 divisors (see below), whose sum is σ = 279999440. Its totient is φ = 61378560.

The previous prime is 131810743. The next prime is 131810773. The reversal of 131810752 is 257018131.

It is a self number, because there is not a number n which added to its sum of digits gives 131810752.

It is a congruent number.

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, 73288 + ... + 75064.

It is an arithmetic number, because the mean of its divisors is an integer number (4999990).

Almost surely, 2^131810752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131810752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139999720).

131810752 is an abundant number, since it is smaller than the sum of its proper divisors (148188688).

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

131810752 is a wasteful number, since it uses less digits than its factorization.

131810752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 131810752 is about 11480.8863769310. The cubic root of 131810752 is about 508.9208914642.

Adding to 131810752 its reverse (257018131), we get a palindrome (388828883).

The spelling of 131810752 in words is "one hundred thirty-one million, eight hundred ten thousand, seven hundred fifty-two".