82142319 has 8 divisors (see below), whose sum is σ = 125169280. Its totient is φ = 46938456.

The previous prime is 82142287. The next prime is 82142321. The reversal of 82142319 is 91324128.

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

It is not a de Polignac number, because 82142319 - 2⁵ = 82142287 is a prime.

It is a super-2 number, since 2×82142319² = 13494721141395522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82142369) 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, 1955749 + ... + 1955790.

It is an arithmetic number, because the mean of its divisors is an integer number (15646160).

Almost surely, 2^82142319 is an apocalyptic number.

82142319 is a deficient number, since it is larger than the sum of its proper divisors (43026961).

82142319 is a wasteful number, since it uses less digits than its factorization.

82142319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911549.

The product of its digits is 3456, while the sum is 30.

The square root of 82142319 is about 9063.2399835820. The cubic root of 82142319 is about 434.6993456895.

The spelling of 82142319 in words is "eighty-two million, one hundred forty-two thousand, three hundred nineteen".