194735090 has 32 divisors (see below), whose sum is σ = 382968000. Its totient is φ = 70705600.

The previous prime is 194735083. The next prime is 194735111. The reversal of 194735090 is 90537491.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129161 + ... + 130659.

It is an arithmetic number, because the mean of its divisors is an integer number (11967750).

Almost surely, 2^194735090 is an apocalyptic number.

194735090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194735090 is a deficient number, since it is larger than the sum of its proper divisors (188232910).

194735090 is a wasteful number, since it uses less digits than its factorization.

194735090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 194735090 is about 13954.7515205395. The cubic root of 194735090 is about 579.6262852150.

The spelling of 194735090 in words is "one hundred ninety-four million, seven hundred thirty-five thousand, ninety".