42113194 has 4 divisors (see below), whose sum is σ = 63169794. Its totient is φ = 21056596.

The previous prime is 42113173. The next prime is 42113219. The reversal of 42113194 is 49131124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 316969 = 6465^2 + 563^2 .

It is a super-2 number, since 2×42113194² = 3547042217763272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10528297 + ... + 10528300.

Almost surely, 2^42113194 is an apocalyptic number.

42113194 is a deficient number, since it is larger than the sum of its proper divisors (21056600).

42113194 is a wasteful number, since it uses less digits than its factorization.

42113194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21056599.

The product of its digits is 864, while the sum is 25.

The square root of 42113194 is about 6489.4679288829. The cubic root of 42113194 is about 347.9146584671.

The spelling of 42113194 in words is "forty-two million, one hundred thirteen thousand, one hundred ninety-four".