138480133 has 8 divisors (see below), whose sum is σ = 156278880. Its totient is φ = 121549680.

The previous prime is 138480109. The next prime is 138480143. The reversal of 138480133 is 331084831.

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 138480133 - 2¹⁷ = 138349061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138480095 and 138480104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138480143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216735 + ... + 217372.

It is an arithmetic number, because the mean of its divisors is an integer number (19534860).

Almost surely, 2^138480133 is an apocalyptic number.

It is an amenable number.

138480133 is a deficient number, since it is larger than the sum of its proper divisors (17798747).

138480133 is a wasteful number, since it uses less digits than its factorization.

138480133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434147.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 138480133 is about 11767.7581977197. The cubic root of 138480133 is about 517.3635452809.

The spelling of 138480133 in words is "one hundred thirty-eight million, four hundred eighty thousand, one hundred thirty-three".