138475825282 has 16 divisors (see below), whose sum is σ = 216244933560. Its totient is φ = 66424595328.

The previous prime is 138475825217. The next prime is 138475825331. The reversal of 138475825282 is 282528574831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59828670801 + 78647154481 = 244599^2 + 280441^2 .

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, 7594443 + ... + 7612654.

Almost surely, 2^138475825282 is an apocalyptic number.

138475825282 is a deficient number, since it is larger than the sum of its proper divisors (77769108278).

138475825282 is a wasteful number, since it uses less digits than its factorization.

138475825282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15207285.

The product of its digits is 8601600, while the sum is 55.

The spelling of 138475825282 in words is "one hundred thirty-eight billion, four hundred seventy-five million, eight hundred twenty-five thousand, two hundred eighty-two".