194134395 has 32 divisors (see below), whose sum is σ = 382298112. Its totient is φ = 81919872.

The previous prime is 194134387. The next prime is 194134397. The reversal of 194134395 is 593431491.

194134395 = 2055² + 2056² + ... + 2099².

It is a happy number.

194134395 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 194134395 - 2³ = 194134387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (194134397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69747 + ... + 72476.

It is an arithmetic number, because the mean of its divisors is an integer number (11946816).

Almost surely, 2^194134395 is an apocalyptic number.

194134395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194134395 is a deficient number, since it is larger than the sum of its proper divisors (188163717).

194134395 is a wasteful number, since it uses less digits than its factorization.

194134395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142251.

The product of its digits is 58320, while the sum is 39.

The square root of 194134395 is about 13933.2119412575. The cubic root of 194134395 is about 579.0296845845.

The spelling of 194134395 in words is "one hundred ninety-four million, one hundred thirty-four thousand, three hundred ninety-five".