131427798 has 16 divisors (see below), whose sum is σ = 263070720. Its totient is φ = 43773416.

The previous prime is 131427781. The next prime is 131427809. The reversal of 131427798 is 897724131.

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, 390 + ... + 16217.

It is an arithmetic number, because the mean of its divisors is an integer number (16441920).

Almost surely, 2^131427798 is an apocalyptic number.

131427798 is an abundant number, since it is smaller than the sum of its proper divisors (131642922).

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

131427798 is a wasteful number, since it uses less digits than its factorization.

131427798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17931.

The product of its digits is 84672, while the sum is 42.

The square root of 131427798 is about 11464.1963521217. The cubic root of 131427798 is about 508.4275519943.

The spelling of 131427798 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, seven hundred ninety-eight".