138048046 has 8 divisors (see below), whose sum is σ = 207628344. Its totient is φ = 68838600.

The previous prime is 138048013. The next prime is 138048049. The reversal of 138048046 is 640840831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138048049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 91780 + ... + 93271.

It is an arithmetic number, because the mean of its divisors is an integer number (25953543).

Almost surely, 2^138048046 is an apocalyptic number.

138048046 is a deficient number, since it is larger than the sum of its proper divisors (69580298).

138048046 is a wasteful number, since it uses less digits than its factorization.

138048046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185426.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 138048046 is about 11749.3849200713. The cubic root of 138048046 is about 516.8248904700.

Adding to 138048046 its reverse (640840831), we get a palindrome (778888877).

The spelling of 138048046 in words is "one hundred thirty-eight million, forty-eight thousand, forty-six".