194939514 has 128 divisors (see below), whose sum is σ = 545218560. Its totient is φ = 50155200.

The previous prime is 194939497. The next prime is 194939519. The reversal of 194939514 is 415939491.

194939514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 194939514.

It is not an unprimeable number, because it can be changed into a prime (194939519) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 719199 + ... + 719469.

It is an arithmetic number, because the mean of its divisors is an integer number (4259520).

Almost surely, 2^194939514 is an apocalyptic number.

194939514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194939514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272609280).

194939514 is an abundant number, since it is smaller than the sum of its proper divisors (350279046).

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

194939514 is a wasteful number, since it uses less digits than its factorization.

194939514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 194939514 is about 13962.0741295840. The cubic root of 194939514 is about 579.8290360157.

The spelling of 194939514 in words is "one hundred ninety-four million, nine hundred thirty-nine thousand, five hundred fourteen".