544529138 has 4 divisors (see below), whose sum is σ = 816793710. Its totient is φ = 272264568.

The previous prime is 544529129. The next prime is 544529149. The reversal of 544529138 is 831925445.

544529138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 530519089 + 14010049 = 23033^2 + 3743^2 .

It is a junction number, because it is equal to n+sod(n) for n = 544529095 and 544529104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136132283 + ... + 136132286.

Almost surely, 2^544529138 is an apocalyptic number.

544529138 is a deficient number, since it is larger than the sum of its proper divisors (272264572).

544529138 is a wasteful number, since it uses less digits than its factorization.

544529138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272264571.

The product of its digits is 172800, while the sum is 41.

The square root of 544529138 is about 23335.1481246638. The cubic root of 544529138 is about 816.5956109403.

The spelling of 544529138 in words is "five hundred forty-four million, five hundred twenty-nine thousand, one hundred thirty-eight".