138083265 has 32 divisors (see below), whose sum is σ = 259925760. Its totient is φ = 69311232.

The previous prime is 138083263. The next prime is 138083327. The reversal of 138083265 is 562380831.

It is not a de Polignac number, because 138083265 - 2¹ = 138083263 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138083263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27789 + ... + 32378.

It is an arithmetic number, because the mean of its divisors is an integer number (8122680).

Almost surely, 2^138083265 is an apocalyptic number.

138083265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138083265 is a deficient number, since it is larger than the sum of its proper divisors (121842495).

138083265 is a wasteful number, since it uses less digits than its factorization.

138083265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60198 (or 60192 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 138083265 is about 11750.8835837991. The cubic root of 138083265 is about 516.8688377494.

The spelling of 138083265 in words is "one hundred thirty-eight million, eighty-three thousand, two hundred sixty-five".