194242013 has 8 divisors (see below), whose sum is σ = 225118080. Its totient is φ = 164147760.

The previous prime is 194242007. The next prime is 194242019. The reversal of 194242013 is 310242491.

It is an interprime number because it is at equal distance from previous prime (194242007) and next prime (194242019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194242013 - 2⁸ = 194241757 is a prime.

It is a super-2 number, since 2×194242013² = 75459919228584338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194242019) 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, 194918 + ... + 195911.

It is an arithmetic number, because the mean of its divisors is an integer number (28139760).

Almost surely, 2^194242013 is an apocalyptic number.

It is an amenable number.

194242013 is a deficient number, since it is larger than the sum of its proper divisors (30876067).

194242013 is an equidigital number, since it uses as much as digits as its factorization.

194242013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390907.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 194242013 is about 13937.0733297920. The cubic root of 194242013 is about 579.1366594555.

The spelling of 194242013 in words is "one hundred ninety-four million, two hundred forty-two thousand, thirteen".