195316940 has 72 divisors (see below), whose sum is σ = 513867312. Its totient is φ = 61810560.

The previous prime is 195316883. The next prime is 195316967. The reversal of 195316940 is 49613591.

It is a junction number, because it is equal to n+sod(n) for n = 195316894 and 195316903.

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 23 ways as a sum of consecutive naturals, for example, 5075 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (7137046).

Almost surely, 2^195316940 is an apocalyptic number.

195316940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195316940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256933656).

195316940 is an abundant number, since it is smaller than the sum of its proper divisors (318550372).

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

195316940 is a wasteful number, since it uses less digits than its factorization.

195316940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15367 (or 15358 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 195316940 is about 13975.5837087400. The cubic root of 195316940 is about 580.2030006812.

The spelling of 195316940 in words is "one hundred ninety-five million, three hundred sixteen thousand, nine hundred forty".