194820136360 has 16 divisors (see below), whose sum is σ = 438345306900. Its totient is φ = 77928054528.

The previous prime is 194820136333. The next prime is 194820136369. The reversal of 194820136360 is 63631028491.

It can be written as a sum of positive squares in 2 ways, for example, as 166883688196 + 27936448164 = 408514^2 + 167142^2 .

It is not an unprimeable number, because it can be changed into a prime (194820136369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435251665 + ... + 2435251744.

Almost surely, 2^194820136360 is an apocalyptic number.

194820136360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194820136360 is an abundant number, since it is smaller than the sum of its proper divisors (243525170540).

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

194820136360 is a wasteful number, since it uses less digits than its factorization.

194820136360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870503420 (or 4870503416 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 194820136360 in words is "one hundred ninety-four billion, eight hundred twenty million, one hundred thirty-six thousand, three hundred sixty".