195128070 has 16 divisors (see below), whose sum is σ = 468307440. Its totient is φ = 52034144.

The previous prime is 195128069. The next prime is 195128099. The reversal of 195128070 is 70821591.

It is a congruent number.

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, 3252105 + ... + 3252164.

It is an arithmetic number, because the mean of its divisors is an integer number (29269215).

Almost surely, 2^195128070 is an apocalyptic number.

195128070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195128070 is an abundant number, since it is smaller than the sum of its proper divisors (273179370).

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

195128070 is a wasteful number, since it uses less digits than its factorization.

195128070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504279.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 195128070 is about 13968.8249326849. The cubic root of 195128070 is about 580.0159230666.

The spelling of 195128070 in words is "one hundred ninety-five million, one hundred twenty-eight thousand, seventy".