48109138 has 16 divisors (see below), whose sum is σ = 89970624. Its totient is φ = 18743760.

The previous prime is 48109129. The next prime is 48109157. The reversal of 48109138 is 83190184.

It is a happy number.

48109138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156045 + ... + 156352.

It is an arithmetic number, because the mean of its divisors is an integer number (5623164).

Almost surely, 2^48109138 is an apocalyptic number.

48109138 is a deficient number, since it is larger than the sum of its proper divisors (41861486).

48109138 is a wasteful number, since it uses less digits than its factorization.

48109138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312417.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 48109138 is about 6936.0751149335. The cubic root of 48109138 is about 363.6993502218.

The spelling of 48109138 in words is "forty-eight million, one hundred nine thousand, one hundred thirty-eight".