134581994 has 8 divisors (see below), whose sum is σ = 202184100. Its totient is φ = 67187296.

The previous prime is 134581981. The next prime is 134582023. The reversal of 134581994 is 499185431.

It can be written as a sum of positive squares in 2 ways, for example, as 125731369 + 8850625 = 11213^2 + 2975^2 .

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

It is a super-2 number, since 2×134581994² = 36224626218032072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50219 + ... + 52830.

Almost surely, 2^134581994 is an apocalyptic number.

134581994 is a deficient number, since it is larger than the sum of its proper divisors (67602106).

134581994 is a wasteful number, since it uses less digits than its factorization.

134581994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103704.

The product of its digits is 155520, while the sum is 44.

The square root of 134581994 is about 11600.9479785059. The cubic root of 134581994 is about 512.4627697722.

The spelling of 134581994 in words is "one hundred thirty-four million, five hundred eighty-one thousand, nine hundred ninety-four".