138883835 has 8 divisors (see below), whose sum is σ = 167060880. Its totient is φ = 110840224.

The previous prime is 138883819. The next prime is 138883841. The reversal of 138883835 is 538388831.

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 138883835 - 2⁴ = 138883819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138883835.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31052 + ... + 35241.

It is an arithmetic number, because the mean of its divisors is an integer number (20882610).

Almost surely, 2^138883835 is an apocalyptic number.

138883835 is a deficient number, since it is larger than the sum of its proper divisors (28177045).

138883835 is an equidigital number, since it uses as much as digits as its factorization.

138883835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66717.

The product of its digits is 552960, while the sum is 47.

The square root of 138883835 is about 11784.8985994789. The cubic root of 138883835 is about 517.8658028063.

The spelling of 138883835 in words is "one hundred thirty-eight million, eight hundred eighty-three thousand, eight hundred thirty-five".