83135959 has 8 divisors (see below), whose sum is σ = 85901472. Its totient is φ = 80414880.

The previous prime is 83135957. The next prime is 83135971. The reversal of 83135959 is 95953138.

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 83135959 - 2¹ = 83135957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83135951) 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, 7284 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (10737684).

Almost surely, 2^83135959 is an apocalyptic number.

83135959 is a deficient number, since it is larger than the sum of its proper divisors (2765513).

83135959 is a wasteful number, since it uses less digits than its factorization.

83135959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22217.

The product of its digits is 145800, while the sum is 43.

The square root of 83135959 is about 9117.8922454699. The cubic root of 83135959 is about 436.4451150317.

The spelling of 83135959 in words is "eighty-three million, one hundred thirty-five thousand, nine hundred fifty-nine".