263138082 has 16 divisors (see below), whose sum is σ = 539112672. Its totient is φ = 85573280.

The previous prime is 263138077. The next prime is 263138093. The reversal of 263138082 is 280831362.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534588 + ... + 535079.

It is an arithmetic number, because the mean of its divisors is an integer number (33694542).

Almost surely, 2^263138082 is an apocalyptic number.

263138082 is an abundant number, since it is smaller than the sum of its proper divisors (275974590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263138082 is a wasteful number, since it uses less digits than its factorization.

263138082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069713.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 263138082 is about 16221.5314320196. The cubic root of 263138082 is about 640.8079655603.

The spelling of 263138082 in words is "two hundred sixty-three million, one hundred thirty-eight thousand, eighty-two".