138943483 has 8 divisors (see below), whose sum is σ = 165696768. Its totient is φ = 113916264.

The previous prime is 138943451. The next prime is 138943501. The reversal of 138943483 is 384349831.

138943483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 138943483 - 2⁵ = 138943451 is a prime.

It is a super-3 number, since 3×138943483³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138943403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431341 + ... + 431662.

It is an arithmetic number, because the mean of its divisors is an integer number (20712096).

Almost surely, 2^138943483 is an apocalyptic number.

138943483 is a deficient number, since it is larger than the sum of its proper divisors (26753285).

138943483 is an equidigital number, since it uses as much as digits as its factorization.

138943483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863033.

The product of its digits is 248832, while the sum is 43.

The square root of 138943483 is about 11787.4290241766. The cubic root of 138943483 is about 517.9399300755.

The spelling of 138943483 in words is "one hundred thirty-eight million, nine hundred forty-three thousand, four hundred eighty-three".