131541198 has 16 divisors (see below), whose sum is σ = 264331776. Its totient is φ = 43638840.

The previous prime is 131541191. The next prime is 131541227. The reversal of 131541198 is 891145131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131541191) 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, 50686 + ... + 53217.

It is an arithmetic number, because the mean of its divisors is an integer number (16520736).

Almost surely, 2^131541198 is an apocalyptic number.

131541198 is an abundant number, since it is smaller than the sum of its proper divisors (132790578).

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

131541198 is a wasteful number, since it uses less digits than its factorization.

131541198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104119.

The product of its digits is 4320, while the sum is 33.

The square root of 131541198 is about 11469.1411186714. The cubic root of 131541198 is about 508.5737390030.

The spelling of 131541198 in words is "one hundred thirty-one million, five hundred forty-one thousand, one hundred ninety-eight".