82351138 has 8 divisors (see below), whose sum is σ = 125620560. Its totient is φ = 40477620.

The previous prime is 82351133. The next prime is 82351151. The reversal of 82351138 is 83115328.

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

It is not an unprimeable number, because it can be changed into a prime (82351133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348828 + ... + 349063.

It is an arithmetic number, because the mean of its divisors is an integer number (15702570).

Almost surely, 2^82351138 is an apocalyptic number.

82351138 is a deficient number, since it is larger than the sum of its proper divisors (43269422).

82351138 is a wasteful number, since it uses less digits than its factorization.

82351138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697952.

The product of its digits is 5760, while the sum is 31.

The square root of 82351138 is about 9074.7527790018. The cubic root of 82351138 is about 435.0673925621.

The spelling of 82351138 in words is "eighty-two million, three hundred fifty-one thousand, one hundred thirty-eight".