138337133 has 8 divisors (see below), whose sum is σ = 151542336. Its totient is φ = 125236800.

The previous prime is 138337093. The next prime is 138337139. The reversal of 138337133 is 331733831.

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

It is a cyclic number.

It is not a de Polignac number, because 138337133 - 2¹⁰ = 138336109 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138337133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138337139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23441 + ... + 28742.

It is an arithmetic number, because the mean of its divisors is an integer number (18942792).

Almost surely, 2^138337133 is an apocalyptic number.

It is an amenable number.

138337133 is a deficient number, since it is larger than the sum of its proper divisors (13205203).

138337133 is a wasteful number, since it uses less digits than its factorization.

138337133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52435.

The product of its digits is 13608, while the sum is 32.

The square root of 138337133 is about 11761.6807047292. The cubic root of 138337133 is about 517.1854006718.

The spelling of 138337133 in words is "one hundred thirty-eight million, three hundred thirty-seven thousand, one hundred thirty-three".