194813320 has 32 divisors (see below), whose sum is σ = 472048920. Its totient is φ = 71930880.

The previous prime is 194813317. The next prime is 194813351. The reversal of 194813320 is 23318491.

194813320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 155600676 + 39212644 = 12474^2 + 6262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186801 + ... + 187840.

Almost surely, 2^194813320 is an apocalyptic number.

194813320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194813320 is an abundant number, since it is smaller than the sum of its proper divisors (277235600).

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

194813320 is a wasteful number, since it uses less digits than its factorization.

194813320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374665 (or 374661 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 194813320 is about 13957.5542270127. The cubic root of 194813320 is about 579.7038916592.

It can be divided in two parts, 19481 and 3320, that added together give a square (22801 = 151²).

The spelling of 194813320 in words is "one hundred ninety-four million, eight hundred thirteen thousand, three hundred twenty".