194039041 has 4 divisors (see below), whose sum is σ = 221758912. Its totient is φ = 166319172.

The previous prime is 194039011. The next prime is 194039047. The reversal of 194039041 is 140930491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140930491 = 13 ⋅10840807.

It is a cyclic number.

It is not a de Polignac number, because 194039041 - 2²⁷ = 59821313 is a prime.

It is a super-2 number, since 2×194039041² = 75302298864399362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194038994 and 194039012.

It is not an unprimeable number, because it can be changed into a prime (194039047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13859925 + ... + 13859938.

It is an arithmetic number, because the mean of its divisors is an integer number (55439728).

Almost surely, 2^194039041 is an apocalyptic number.

It is an amenable number.

194039041 is a deficient number, since it is larger than the sum of its proper divisors (27719871).

194039041 is an equidigital number, since it uses as much as digits as its factorization.

194039041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27719870.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 194039041 is about 13929.7896969050. The cubic root of 194039041 is about 578.9348673854.

The spelling of 194039041 in words is "one hundred ninety-four million, thirty-nine thousand, forty-one".