134494438 has 16 divisors (see below), whose sum is σ = 217971936. Its totient is φ = 61871040.

The previous prime is 134494433. The next prime is 134494441. The reversal of 134494438 is 834494431.

It is a self number, because there is not a number n which added to its sum of digits gives 134494438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134494433) 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, 231 + ... + 16402.

It is an arithmetic number, because the mean of its divisors is an integer number (13623246).

Almost surely, 2^134494438 is an apocalyptic number.

134494438 is a deficient number, since it is larger than the sum of its proper divisors (83477498).

134494438 is a wasteful number, since it uses less digits than its factorization.

134494438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16959.

The product of its digits is 165888, while the sum is 40.

The square root of 134494438 is about 11597.1737074168. The cubic root of 134494438 is about 512.3516134361.

The spelling of 134494438 in words is "one hundred thirty-four million, four hundred ninety-four thousand, four hundred thirty-eight".