138253883 has 2 divisors, whose sum is σ = 138253884. Its totient is φ = 138253882.

The previous prime is 138253879. The next prime is 138253889. The reversal of 138253883 is 388352831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138253883 - 2² = 138253879 is a prime.

It is a super-2 number, since 2×138253883² = 38228272329155378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138253883.

It is not a weakly prime, because it can be changed into another prime (138253889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69126941 + 69126942.

It is an arithmetic number, because the mean of its divisors is an integer number (69126942).

Almost surely, 2^138253883 is an apocalyptic number.

138253883 is a deficient number, since it is larger than the sum of its proper divisors (1).

138253883 is an equidigital number, since it uses as much as digits as its factorization.

138253883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 138253883 is about 11758.1411371016. The cubic root of 138253883 is about 517.0816340658.

The spelling of 138253883 in words is "one hundred thirty-eight million, two hundred fifty-three thousand, eight hundred eighty-three".