195890130 has 32 divisors (see below), whose sum is σ = 522374400. Its totient is φ = 52237296.

The previous prime is 195890119. The next prime is 195890137. The reversal of 195890130 is 31098591.

It is a happy number.

195890130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195890137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362490 + ... + 363029.

It is an arithmetic number, because the mean of its divisors is an integer number (16324200).

Almost surely, 2^195890130 is an apocalyptic number.

195890130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195890130 is an abundant number, since it is smaller than the sum of its proper divisors (326484270).

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

195890130 is a wasteful number, since it uses less digits than its factorization.

195890130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725535 (or 725529 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 195890130 is about 13996.0755213738. The cubic root of 195890130 is about 580.7700137343.

The spelling of 195890130 in words is "one hundred ninety-five million, eight hundred ninety thousand, one hundred thirty".