195131944 has 32 divisors (see below), whose sum is σ = 421447680. Its totient is φ = 82966464.

The previous prime is 195131929. The next prime is 195131971. The reversal of 195131944 is 449131591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6607 + ... + 20830.

It is an arithmetic number, because the mean of its divisors is an integer number (13170240).

Almost surely, 2^195131944 is an apocalyptic number.

195131944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

195131944 is an abundant number, since it is smaller than the sum of its proper divisors (226315736).

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

195131944 is a wasteful number, since it uses less digits than its factorization.

195131944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27577 (or 27573 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 195131944 is about 13968.9635979195. The cubic root of 195131944 is about 580.0197615146.

The spelling of 195131944 in words is "one hundred ninety-five million, one hundred thirty-one thousand, nine hundred forty-four".