195738156 has 18 divisors (see below), whose sum is σ = 494782652. Its totient is φ = 65246040.

The previous prime is 195738089. The next prime is 195738161. The reversal of 195738156 is 651837591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2718550 + ... + 2718621.

Almost surely, 2^195738156 is an apocalyptic number.

It is an amenable number.

195738156 is an abundant number, since it is smaller than the sum of its proper divisors (299044496).

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

195738156 is a wasteful number, since it uses less digits than its factorization.

195738156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437181 (or 5437176 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 195738156 is about 13990.6453032017. The cubic root of 195738156 is about 580.6197853438.

The spelling of 195738156 in words is "one hundred ninety-five million, seven hundred thirty-eight thousand, one hundred fifty-six".