549809134 has 8 divisors (see below), whose sum is σ = 942529968. Its totient is φ = 235632480.

The previous prime is 549809129. The next prime is 549809147. The reversal of 549809134 is 431908945.

It is a happy number.

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

It is a congruent number.

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, 19636027 + ... + 19636054.

It is an arithmetic number, because the mean of its divisors is an integer number (117816246).

Almost surely, 2^549809134 is an apocalyptic number.

549809134 is a deficient number, since it is larger than the sum of its proper divisors (392720834).

549809134 is a wasteful number, since it uses less digits than its factorization.

549809134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39272090.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 549809134 is about 23448.0091692237. The cubic root of 549809134 is about 819.2264835299.

The spelling of 549809134 in words is "five hundred forty-nine million, eight hundred nine thousand, one hundred thirty-four".