194134080 has 168 divisors, whose sum is σ = 717182208. Its totient is φ = 44362752.

The previous prime is 194134027. The next prime is 194134097. The reversal of 194134080 is 80431491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44977 + ... + 49103.

Almost surely, 2^194134080 is an apocalyptic number.

194134080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194134080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358591104).

194134080 is an abundant number, since it is smaller than the sum of its proper divisors (523048128).

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

194134080 is a wasteful number, since it uses less digits than its factorization.

194134080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161 (or 4144 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 194134080 is about 13933.2006373267. The cubic root of 194134080 is about 579.0293714089.

The spelling of 194134080 in words is "one hundred ninety-four million, one hundred thirty-four thousand, eighty".