82345138 has 8 divisors (see below), whose sum is σ = 126530460. Its totient is φ = 40168320.

The previous prime is 82345103. The next prime is 82345139. The reversal of 82345138 is 83154328.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51509329 + 30835809 = 7177^2 + 5553^2 .

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 (82345139) 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, 502023 + ... + 502186.

Almost surely, 2^82345138 is an apocalyptic number.

82345138 is a deficient number, since it is larger than the sum of its proper divisors (44185322).

82345138 is a wasteful number, since it uses less digits than its factorization.

82345138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004252.

The product of its digits is 23040, while the sum is 34.

The square root of 82345138 is about 9074.4221854617. The cubic root of 82345138 is about 435.0568261518.

The spelling of 82345138 in words is "eighty-two million, three hundred forty-five thousand, one hundred thirty-eight".