195251394 has 32 divisors (see below), whose sum is σ = 422259264. Its totient is φ = 59832000.

The previous prime is 195251387. The next prime is 195251431. The reversal of 195251394 is 493152591.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 14592 + ... + 24564.

It is an arithmetic number, because the mean of its divisors is an integer number (13195602).

Almost surely, 2^195251394 is an apocalyptic number.

195251394 is an abundant number, since it is smaller than the sum of its proper divisors (227007870).

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

195251394 is a wasteful number, since it uses less digits than its factorization.

195251394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its digits is 48600, while the sum is 39.

The square root of 195251394 is about 13973.2384936349. The cubic root of 195251394 is about 580.1380903858.

The spelling of 195251394 in words is "one hundred ninety-five million, two hundred fifty-one thousand, three hundred ninety-four".