138886573 has 8 divisors (see below), whose sum is σ = 159074048. Its totient is φ = 118785744.

The previous prime is 138886571. The next prime is 138886577. The reversal of 138886573 is 375688831.

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

It is not a de Polignac number, because 138886573 - 2¹ = 138886571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138886571) 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, 18186 + ... + 24667.

It is an arithmetic number, because the mean of its divisors is an integer number (19884256).

Almost surely, 2^138886573 is an apocalyptic number.

It is an amenable number.

138886573 is a deficient number, since it is larger than the sum of its proper divisors (20187475).

138886573 is an equidigital number, since it uses as much as digits as its factorization.

138886573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43323.

The product of its digits is 967680, while the sum is 49.

The square root of 138886573 is about 11785.0147645219. The cubic root of 138886573 is about 517.8692059076.

The spelling of 138886573 in words is "one hundred thirty-eight million, eight hundred eighty-six thousand, five hundred seventy-three".