134894493 has 6 divisors (see below), whose sum is σ = 194847614. Its totient is φ = 89929656.

The previous prime is 134894477. The next prime is 134894521. The reversal of 134894493 is 394498431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 129004164 + 5890329 = 11358^2 + 2427^2 .

It is not a de Polignac number, because 134894493 - 2⁴ = 134894477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134894443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7494130 + ... + 7494147.

Almost surely, 2^134894493 is an apocalyptic number.

It is an amenable number.

134894493 is a deficient number, since it is larger than the sum of its proper divisors (59953121).

134894493 is a wasteful number, since it uses less digits than its factorization.

134894493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14988283 (or 14988280 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 134894493 is about 11614.4088528000. The cubic root of 134894493 is about 512.8591088529.

The spelling of 134894493 in words is "one hundred thirty-four million, eight hundred ninety-four thousand, four hundred ninety-three".