194135270 has 32 divisors (see below), whose sum is σ = 400377600. Its totient is φ = 66391776.

The previous prime is 194135269. The next prime is 194135281. The reversal of 194135270 is 72531491.

It is a Curzon number.

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, 26021 + ... + 32639.

It is an arithmetic number, because the mean of its divisors is an integer number (12511800).

Almost surely, 2^194135270 is an apocalyptic number.

194135270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194135270 is an abundant number, since it is smaller than the sum of its proper divisors (206242330).

194135270 is a wasteful number, since it uses less digits than its factorization.

194135270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 194135270 is about 13933.2433410172. The cubic root of 194135270 is about 579.0305545149.

The spelling of 194135270 in words is "one hundred ninety-four million, one hundred thirty-five thousand, two hundred seventy".