138950127 has 8 divisors (see below), whose sum is σ = 205852080. Its totient is φ = 92633400.

The previous prime is 138950087. The next prime is 138950137. The reversal of 138950127 is 721059831.

138950127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138950127 - 2¹¹ = 138948079 is a prime.

It is a super-2 number, since 2×138950127² = 38614275586632258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138950091 and 138950100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138950137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573124 + ... + 2573177.

It is an arithmetic number, because the mean of its divisors is an integer number (25731510).

Almost surely, 2^138950127 is an apocalyptic number.

138950127 is a deficient number, since it is larger than the sum of its proper divisors (66901953).

138950127 is an equidigital number, since it uses as much as digits as its factorization.

138950127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146310 (or 5146304 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 138950127 is about 11787.7108464706. The cubic root of 138950127 is about 517.9481855618.

The spelling of 138950127 in words is "one hundred thirty-eight million, nine hundred fifty thousand, one hundred twenty-seven".