549319142 has 8 divisors (see below), whose sum is σ = 825187176. Its totient is φ = 274256752.

The previous prime is 549319123. The next prime is 549319151. The reversal of 549319142 is 241913945.

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

It is a junction number, because it is equal to n+sod(n) for n = 549319096 and 549319105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199703 + ... + 202434.

It is an arithmetic number, because the mean of its divisors is an integer number (103148397).

Almost surely, 2^549319142 is an apocalyptic number.

549319142 is a deficient number, since it is larger than the sum of its proper divisors (275868034).

549319142 is a wasteful number, since it uses less digits than its factorization.

549319142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402822.

The product of its digits is 38880, while the sum is 38.

The square root of 549319142 is about 23437.5583625940. The cubic root of 549319142 is about 818.9830452743.

The spelling of 549319142 in words is "five hundred forty-nine million, three hundred nineteen thousand, one hundred forty-two".