194214051 has 8 divisors (see below), whose sum is σ = 287724560. Its totient is φ = 129476016.

The previous prime is 194214043. The next prime is 194214061. The reversal of 194214051 is 150412491.

It is not a de Polignac number, because 194214051 - 2³ = 194214043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7193113 = 194214051 / (1 + 9 + 4 + 2 + 1 + 4 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194214061) 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, 3596530 + ... + 3596583.

It is an arithmetic number, because the mean of its divisors is an integer number (35965570).

Almost surely, 2^194214051 is an apocalyptic number.

194214051 is a deficient number, since it is larger than the sum of its proper divisors (93510509).

194214051 is an equidigital number, since it uses as much as digits as its factorization.

194214051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193122 (or 7193116 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 194214051 is about 13936.0701419016. The cubic root of 194214051 is about 579.1088683576.

The spelling of 194214051 in words is "one hundred ninety-four million, two hundred fourteen thousand, fifty-one".