83135974 has 4 divisors (see below), whose sum is σ = 124703964. Its totient is φ = 41567986.

The previous prime is 83135971. The next prime is 83135989. The reversal of 83135974 is 47953138.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83135971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20783992 + ... + 20783995.

It is an arithmetic number, because the mean of its divisors is an integer number (31175991).

Almost surely, 2^83135974 is an apocalyptic number.

83135974 is a deficient number, since it is larger than the sum of its proper divisors (41567990).

83135974 is a wasteful number, since it uses less digits than its factorization.

83135974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41567989.

The product of its digits is 90720, while the sum is 40.

The square root of 83135974 is about 9117.8930680284. The cubic root of 83135974 is about 436.4451412805.

The spelling of 83135974 in words is "eighty-three million, one hundred thirty-five thousand, nine hundred seventy-four".