194135216 has 20 divisors (see below), whose sum is σ = 410331624. Its totient is φ = 88243200.

The previous prime is 194135191. The next prime is 194135233. The reversal of 194135216 is 612531491.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 551345 + ... + 551696.

Almost surely, 2^194135216 is an apocalyptic number.

194135216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194135216 is an abundant number, since it is smaller than the sum of its proper divisors (216196408).

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

194135216 is a wasteful number, since it uses less digits than its factorization.

194135216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103060 (or 1103054 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 194135216 is about 13933.2414032055. The cubic root of 194135216 is about 579.0305008278.

The spelling of 194135216 in words is "one hundred ninety-four million, one hundred thirty-five thousand, two hundred sixteen".