131089782 has 8 divisors (see below), whose sum is σ = 262179576. Its totient is φ = 43696592.

The previous prime is 131089747. The next prime is 131089801. The reversal of 131089782 is 287980131.

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

131089782 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 131089782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10924143 + ... + 10924154.

It is an arithmetic number, because the mean of its divisors is an integer number (32772447).

Almost surely, 2^131089782 is an apocalyptic number.

131089782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131089782 is a wasteful number, since it uses less digits than its factorization.

131089782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21848302.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 131089782 is about 11449.4446153514. Note that the first 3 decimals coincide. The cubic root of 131089782 is about 507.9913069172.

The spelling of 131089782 in words is "one hundred thirty-one million, eighty-nine thousand, seven hundred eighty-two".