83139675 has 24 divisors (see below), whose sum is σ = 141895680. Its totient is φ = 42909600.

The previous prime is 83139671. The next prime is 83139691. The reversal of 83139675 is 57693138.

It is not a de Polignac number, because 83139675 - 2² = 83139671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83139671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15555 + ... + 20204.

It is an arithmetic number, because the mean of its divisors is an integer number (5912320).

Almost surely, 2^83139675 is an apocalyptic number.

83139675 is a deficient number, since it is larger than the sum of its proper divisors (58756005).

83139675 is a wasteful number, since it uses less digits than its factorization.

83139675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35803 (or 35798 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 83139675 is about 9118.0960183582. The cubic root of 83139675 is about 436.4516176566.

The spelling of 83139675 in words is "eighty-three million, one hundred thirty-nine thousand, six hundred seventy-five".