194147937 has 12 divisors (see below), whose sum is σ = 285189840. Its totient is φ = 127237848.

The previous prime is 194147911. The next prime is 194147959. The reversal of 194147937 is 739741491.

194147937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194147937 - 2¹² = 194143841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194147892 and 194147901.

It is not an unprimeable number, because it can be changed into a prime (194147137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182283 + ... + 183344.

It is an arithmetic number, because the mean of its divisors is an integer number (23765820).

Almost surely, 2^194147937 is an apocalyptic number.

It is an amenable number.

194147937 is a deficient number, since it is larger than the sum of its proper divisors (91041903).

194147937 is a wasteful number, since it uses less digits than its factorization.

194147937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365692 (or 365689 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 194147937 is about 13933.6978939548. The cubic root of 194147937 is about 579.0431478310.

The spelling of 194147937 in words is "one hundred ninety-four million, one hundred forty-seven thousand, nine hundred thirty-seven".