138827763 has 40 divisors (see below), whose sum is σ = 225030960. Its totient is φ = 84948480.

The previous prime is 138827749. The next prime is 138827789. The reversal of 138827763 is 367728831.

It is not a de Polignac number, because 138827763 - 2¹⁶ = 138762227 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (138827713) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55228 + ... + 57686.

It is an arithmetic number, because the mean of its divisors is an integer number (5625774).

Almost surely, 2^138827763 is an apocalyptic number.

138827763 is a deficient number, since it is larger than the sum of its proper divisors (86203197).

138827763 is a wasteful number, since it uses less digits than its factorization.

138827763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529 (or 2520 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 138827763 is about 11782.5193825429. The cubic root of 138827763 is about 517.7961002380.

The spelling of 138827763 in words is "one hundred thirty-eight million, eight hundred twenty-seven thousand, seven hundred sixty-three".