194140283 has 4 divisors (see below), whose sum is σ = 194258688. Its totient is φ = 194021880.

The previous prime is 194140273. The next prime is 194140301. The reversal of 194140283 is 382041491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382041491 = 13 ⋅29387807.

It is a cyclic number.

It is not a de Polignac number, because 194140283 - 2²⁶ = 127031419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194140213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56708 + ... + 60033.

It is an arithmetic number, because the mean of its divisors is an integer number (48564672).

Almost surely, 2^194140283 is an apocalyptic number.

194140283 is a deficient number, since it is larger than the sum of its proper divisors (118405).

194140283 is a wasteful number, since it uses less digits than its factorization.

194140283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118404.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 194140283 is about 13933.4232333623. The cubic root of 194140283 is about 579.0355384198.

It can be divided in two parts, 1941 and 40283, that added together give a palindrome (42224).

The spelling of 194140283 in words is "one hundred ninety-four million, one hundred forty thousand, two hundred eighty-three".