42134194 has 16 divisors (see below), whose sum is σ = 68729688. Its totient is φ = 19291392.

The previous prime is 42134189. The next prime is 42134207. The reversal of 42134194 is 49143124.

It can be written as a sum of positive squares in 4 ways, for example, as 36784225 + 5349969 = 6065^2 + 2313^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15489 + ... + 18004.

Almost surely, 2^42134194 is an apocalyptic number.

42134194 is a deficient number, since it is larger than the sum of its proper divisors (26595494).

42134194 is a wasteful number, since it uses less digits than its factorization.

42134194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33549.

The product of its digits is 3456, while the sum is 28.

The square root of 42134194 is about 6491.0857335272. The cubic root of 42134194 is about 347.9724787766.

The spelling of 42134194 in words is "forty-two million, one hundred thirty-four thousand, one hundred ninety-four".