194195955 has 16 divisors (see below), whose sum is σ = 317940480. Its totient is φ = 101162208.

The previous prime is 194195951. The next prime is 194195959. The reversal of 194195955 is 559591491.

It is an interprime number because it is at equal distance from previous prime (194195951) and next prime (194195959).

It is not a de Polignac number, because 194195955 - 2² = 194195951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194195951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149895 + ... + 151184.

It is an arithmetic number, because the mean of its divisors is an integer number (19871280).

Almost surely, 2^194195955 is an apocalyptic number.

194195955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194195955 is a deficient number, since it is larger than the sum of its proper divisors (123744525).

194195955 is a wasteful number, since it uses less digits than its factorization.

194195955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301130.

The product of its digits is 364500, while the sum is 48.

The square root of 194195955 is about 13935.4208763137. The cubic root of 194195955 is about 579.0908815375.

The spelling of 194195955 in words is "one hundred ninety-four million, one hundred ninety-five thousand, nine hundred fifty-five".