195936128 has 32 divisors (see below), whose sum is σ = 391068000. Its totient is φ = 97785856.

The previous prime is 195936107. The next prime is 195936137. The reversal of 195936128 is 821639591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 90968 + ... + 93096.

It is an arithmetic number, because the mean of its divisors is an integer number (12220875).

Almost surely, 2^195936128 is an apocalyptic number.

It is an amenable number.

195936128 is a deficient number, since it is larger than the sum of its proper divisors (195131872).

195936128 is an equidigital number, since it uses as much as digits as its factorization.

195936128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2850 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 195936128 is about 13997.7186712693. The cubic root of 195936128 is about 580.8154680720.

The spelling of 195936128 in words is "one hundred ninety-five million, nine hundred thirty-six thousand, one hundred twenty-eight".