194135064 has 32 divisors (see below), whose sum is σ = 488153520. Its totient is φ = 64336256.

The previous prime is 194135063. The next prime is 194135093. The reversal of 194135064 is 460531491.

194135064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194135063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19227 + ... + 27530.

Almost surely, 2^194135064 is an apocalyptic number.

It is an amenable number.

194135064 is an abundant number, since it is smaller than the sum of its proper divisors (294018456).

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

194135064 is a wasteful number, since it uses less digits than its factorization.

194135064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46939 (or 46935 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 194135064 is about 13933.2359486230. The cubic root of 194135064 is about 579.0303497086.

The spelling of 194135064 in words is "one hundred ninety-four million, one hundred thirty-five thousand, sixty-four".