138148373 has 32 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 109771200.

The previous prime is 138148363. The next prime is 138148391. The reversal of 138148373 is 373841831.

It is not a de Polignac number, because 138148373 - 2⁸ = 138148117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138148313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138908 + ... + 139898.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^138148373 is an apocalyptic number.

It is an amenable number.

138148373 is a deficient number, since it is larger than the sum of its proper divisors (33269227).

138148373 is a wasteful number, since it uses less digits than its factorization.

138148373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its digits is 48384, while the sum is 38.

The square root of 138148373 is about 11753.6536021783. The cubic root of 138148373 is about 516.9500617087.

The spelling of 138148373 in words is "one hundred thirty-eight million, one hundred forty-eight thousand, three hundred seventy-three".