194135234 has 4 divisors (see below), whose sum is σ = 291202854. Its totient is φ = 97067616.

The previous prime is 194135233. The next prime is 194135269. The reversal of 194135234 is 432531491.

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

It can be written as a sum of positive squares in only one way, i.e., 116748025 + 77387209 = 10805^2 + 8797^2 .

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 194135234.

It is not an unprimeable number, because it can be changed into a prime (194135233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48533807 + ... + 48533810.

Almost surely, 2^194135234 is an apocalyptic number.

194135234 is a deficient number, since it is larger than the sum of its proper divisors (97067620).

194135234 is an equidigital number, since it uses as much as digits as its factorization.

194135234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97067619.

The product of its digits is 12960, while the sum is 32.

The square root of 194135234 is about 13933.2420491428. The cubic root of 194135234 is about 579.0305187235.

The spelling of 194135234 in words is "one hundred ninety-four million, one hundred thirty-five thousand, two hundred thirty-four".