138262563882 has 24 divisors (see below), whose sum is σ = 301242464640. Its totient is φ = 45830048040.

The previous prime is 138262563851. The next prime is 138262563947. The reversal of 138262563882 is 288365262831.

It is a happy number.

138262563882 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 6 + 256 + 388 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21452794 + ... + 21459237.

It is an arithmetic number, because the mean of its divisors is an integer number (12551769360).

Almost surely, 2^138262563882 is an apocalyptic number.

138262563882 is an abundant number, since it is smaller than the sum of its proper divisors (162979900758).

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

138262563882 is a wasteful number, since it uses less digits than its factorization.

138262563882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42912218 (or 42912215 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 138262563882 in words is "one hundred thirty-eight billion, two hundred sixty-two million, five hundred sixty-three thousand, eight hundred eighty-two".