195344140 has 24 divisors (see below), whose sum is σ = 411131952. Its totient is φ = 77964480.

The previous prime is 195344119. The next prime is 195344153. The reversal of 195344140 is 41443591.

195344140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 19813.

It is an arithmetic number, because the mean of its divisors is an integer number (17130498).

Almost surely, 2^195344140 is an apocalyptic number.

195344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195344140 is an abundant number, since it is smaller than the sum of its proper divisors (215787812).

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

195344140 is a wasteful number, since it uses less digits than its factorization.

195344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21657 (or 21655 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 195344140 is about 13976.5568005858. The cubic root of 195344140 is about 580.2299326157.

The spelling of 195344140 in words is "one hundred ninety-five million, three hundred forty-four thousand, one hundred forty".