131320198 has 8 divisors (see below), whose sum is σ = 197826408. Its totient is φ = 65378064.

The previous prime is 131320187. The next prime is 131320219. The reversal of 131320198 is 891023131.

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

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, 140436 + ... + 141367.

It is an arithmetic number, because the mean of its divisors is an integer number (24728301).

Almost surely, 2^131320198 is an apocalyptic number.

131320198 is a deficient number, since it is larger than the sum of its proper divisors (66506210).

131320198 is a wasteful number, since it uses less digits than its factorization.

131320198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282038.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 131320198 is about 11459.5025197432. The cubic root of 131320198 is about 508.2887641536.

The spelling of 131320198 in words is "one hundred thirty-one million, three hundred twenty thousand, one hundred ninety-eight".