131437882 has 8 divisors (see below), whose sum is σ = 201965652. Its totient is φ = 64116000.

The previous prime is 131437849. The next prime is 131437883. The reversal of 131437882 is 288734131.

131437882 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131125401 + 312481 = 11451^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131437883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801369 + ... + 801532.

Almost surely, 2^131437882 is an apocalyptic number.

131437882 is a deficient number, since it is larger than the sum of its proper divisors (70527770).

131437882 is a wasteful number, since it uses less digits than its factorization.

131437882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602944.

The product of its digits is 32256, while the sum is 37.

The square root of 131437882 is about 11464.6361477371. The cubic root of 131437882 is about 508.4405549571.

It can be divided in two parts, 13143 and 7882, that added together give a square (21025 = 145²).

The spelling of 131437882 in words is "one hundred thirty-one million, four hundred thirty-seven thousand, eight hundred eighty-two".