194153364 has 36 divisors (see below), whose sum is σ = 491449140. Its totient is φ = 64629120.

The previous prime is 194153321. The next prime is 194153387. The reversal of 194153364 is 463351491.

It can be written as a sum of positive squares in 2 ways, for example, as 118984464 + 75168900 = 10908^2 + 8670^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 26272 + ... + 32840.

It is an arithmetic number, because the mean of its divisors is an integer number (13651365).

Almost surely, 2^194153364 is an apocalyptic number.

It is an amenable number.

194153364 is an abundant number, since it is smaller than the sum of its proper divisors (297295776).

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

194153364 is a wasteful number, since it uses less digits than its factorization.

194153364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400 (or 7395 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 194153364 is about 13933.8926363023. The cubic root of 194153364 is about 579.0485430946.

The spelling of 194153364 in words is "one hundred ninety-four million, one hundred fifty-three thousand, three hundred sixty-four".