102394140 has 24 divisors (see below), whose sum is σ = 286703760. Its totient is φ = 27305088.

The previous prime is 102394139. The next prime is 102394151. The reversal of 102394140 is 41493201.

It is a self number, because there is not a number n which added to its sum of digits gives 102394140.

It is a congruent number.

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, 853225 + ... + 853344.

It is an arithmetic number, because the mean of its divisors is an integer number (11945990).

Almost surely, 2^102394140 is an apocalyptic number.

102394140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102394140 is an abundant number, since it is smaller than the sum of its proper divisors (184309620).

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

102394140 is a wasteful number, since it uses less digits than its factorization.

102394140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706581 (or 1706579 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102394140 is about 10118.9989623480. The cubic root of 102394140 is about 467.8339135980.

The spelling of 102394140 in words is "one hundred two million, three hundred ninety-four thousand, one hundred forty".