194997134 has 4 divisors (see below), whose sum is σ = 292495704. Its totient is φ = 97498566.

The previous prime is 194997109. The next prime is 194997149. The reversal of 194997134 is 431799491.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48749282 + ... + 48749285.

It is an arithmetic number, because the mean of its divisors is an integer number (73123926).

Almost surely, 2^194997134 is an apocalyptic number.

194997134 is a deficient number, since it is larger than the sum of its proper divisors (97498570).

194997134 is an equidigital number, since it uses as much as digits as its factorization.

194997134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97498569.

The product of its digits is 244944, while the sum is 47.

The square root of 194997134 is about 13964.1374241304. The cubic root of 194997134 is about 579.8861587905.

The spelling of 194997134 in words is "one hundred ninety-four million, nine hundred ninety-seven thousand, one hundred thirty-four".