195195740 has 24 divisors (see below), whose sum is σ = 431486160. Its totient is φ = 73968768.

The previous prime is 195195709. The next prime is 195195773. The reversal of 195195740 is 47591591.

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, 256457 + ... + 257216.

It is an arithmetic number, because the mean of its divisors is an integer number (17978590).

Almost surely, 2^195195740 is an apocalyptic number.

195195740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195195740 is an abundant number, since it is smaller than the sum of its proper divisors (236290420).

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

195195740 is a wasteful number, since it uses less digits than its factorization.

195195740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513701 (or 513699 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 195195740 is about 13971.2469021201. The cubic root of 195195740 is about 580.0829647471.

The spelling of 195195740 in words is "one hundred ninety-five million, one hundred ninety-five thousand, seven hundred forty".