194142037 has 8 divisors (see below), whose sum is σ = 204242400. Its totient is φ = 184268784.

The previous prime is 194142017. The next prime is 194142041. The reversal of 194142037 is 730241491.

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

It is not a de Polignac number, because 194142037 - 2¹⁵ = 194109269 is a prime.

It is a super-2 number, since 2×194142037² = 75382261061018738, 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 (194142017) 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, 55023 + ... + 58444.

It is an arithmetic number, because the mean of its divisors is an integer number (25530300).

Almost surely, 2^194142037 is an apocalyptic number.

It is an amenable number.

194142037 is a deficient number, since it is larger than the sum of its proper divisors (10100363).

194142037 is a wasteful number, since it uses less digits than its factorization.

194142037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113555.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 194142037 is about 13933.4861753977. The cubic root of 194142037 is about 579.0372822194.

The spelling of 194142037 in words is "one hundred ninety-four million, one hundred forty-two thousand, thirty-seven".