131838771 has 8 divisors (see below), whose sum is σ = 176756944. Its totient is φ = 87406560.

The previous prime is 131838743. The next prime is 131838797. The reversal of 131838771 is 177838131.

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

It is not a de Polignac number, because 131838771 - 2¹⁹ = 131314483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131838271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120856 + ... + 121941.

It is an arithmetic number, because the mean of its divisors is an integer number (22094618).

Almost surely, 2^131838771 is an apocalyptic number.

131838771 is a deficient number, since it is larger than the sum of its proper divisors (44918173).

131838771 is a wasteful number, since it uses less digits than its factorization.

131838771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242981.

The product of its digits is 28224, while the sum is 39.

The square root of 131838771 is about 11482.1065575965. The cubic root of 131838771 is about 508.9569493324.

The spelling of 131838771 in words is "one hundred thirty-one million, eight hundred thirty-eight thousand, seven hundred seventy-one".