102195340 has 24 divisors (see below), whose sum is σ = 231119280. Its totient is φ = 37733568.

The previous prime is 102195311. The next prime is 102195367. The reversal of 102195340 is 43591201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196270 + ... + 196789.

It is an arithmetic number, because the mean of its divisors is an integer number (9629970).

Almost surely, 2^102195340 is an apocalyptic number.

102195340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102195340 is an abundant number, since it is smaller than the sum of its proper divisors (128923940).

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

102195340 is a wasteful number, since it uses less digits than its factorization.

102195340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393081 (or 393079 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 102195340 is about 10109.1710837239. The cubic root of 102195340 is about 467.5309482214.

The spelling of 102195340 in words is "one hundred two million, one hundred ninety-five thousand, three hundred forty".