194713940 has 24 divisors (see below), whose sum is σ = 409209192. Its totient is φ = 77826560.

The previous prime is 194713931. The next prime is 194713969. The reversal of 194713940 is 49317491.

194713940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8773444 + 185940496 = 2962^2 + 13636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 194713894 and 194713903.

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, 31592 + ... + 37248.

It is an arithmetic number, because the mean of its divisors is an integer number (17050383).

Almost surely, 2^194713940 is an apocalyptic number.

194713940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194713940 is an abundant number, since it is smaller than the sum of its proper divisors (214495252).

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

194713940 is a wasteful number, since it uses less digits than its factorization.

194713940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387 (or 7385 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 194713940 is about 13953.9936935631. The cubic root of 194713940 is about 579.6053002284.

The spelling of 194713940 in words is "one hundred ninety-four million, seven hundred thirteen thousand, nine hundred forty".