83136538 has 8 divisors (see below), whose sum is σ = 124787232. Its totient is φ = 41540796.

The previous prime is 83136517. The next prime is 83136551. The reversal of 83136538 is 83563138.

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

It is a junction number, because it is equal to n+sod(n) for n = 83136497 and 83136506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9720 + ... + 16147.

It is an arithmetic number, because the mean of its divisors is an integer number (15598404).

Almost surely, 2^83136538 is an apocalyptic number.

83136538 is a deficient number, since it is larger than the sum of its proper divisors (41650694).

83136538 is a wasteful number, since it uses less digits than its factorization.

83136538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27476.

The product of its digits is 51840, while the sum is 37.

The square root of 83136538 is about 9117.9239961737. The cubic root of 83136538 is about 436.4461282360.

The spelling of 83136538 in words is "eighty-three million, one hundred thirty-six thousand, five hundred thirty-eight".