82409134 has 4 divisors (see below), whose sum is σ = 123613704. Its totient is φ = 41204566.

The previous prime is 82409083. The next prime is 82409141. The reversal of 82409134 is 43190428.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 82409096 and 82409105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20602282 + ... + 20602285.

It is an arithmetic number, because the mean of its divisors is an integer number (30903426).

Almost surely, 2^82409134 is an apocalyptic number.

82409134 is a deficient number, since it is larger than the sum of its proper divisors (41204570).

82409134 is a wasteful number, since it uses less digits than its factorization.

82409134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41204569.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 82409134 is about 9077.9476755487. The cubic root of 82409134 is about 435.1695010379.

The spelling of 82409134 in words is "eighty-two million, four hundred nine thousand, one hundred thirty-four".