194114640 has 80 divisors (see below), whose sum is σ = 633441600. Its totient is φ = 49038336.

The previous prime is 194114593. The next prime is 194114689. The reversal of 194114640 is 46411491.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 194114598 and 194114607.

It is a congruent number.

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, 16725 + ... + 25844.

It is an arithmetic number, because the mean of its divisors is an integer number (7918020).

Almost surely, 2^194114640 is an apocalyptic number.

194114640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194114640 is an abundant number, since it is smaller than the sum of its proper divisors (439326960).

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

194114640 is a wasteful number, since it uses less digits than its factorization.

194114640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42604 (or 42598 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 194114640 is about 13932.5030055622. The cubic root of 194114640 is about 579.0100433467.

The spelling of 194114640 in words is "one hundred ninety-four million, one hundred fourteen thousand, six hundred forty".