138950575 has 6 divisors (see below), whose sum is σ = 172298744. Its totient is φ = 111160440.

The previous prime is 138950569. The next prime is 138950579. The reversal of 138950575 is 575059831.

138950575 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 138950575 - 2¹¹ = 138948527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138950579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778987 + ... + 2779036.

Almost surely, 2^138950575 is an apocalyptic number.

138950575 is a deficient number, since it is larger than the sum of its proper divisors (33348169).

138950575 is an equidigital number, since it uses as much as digits as its factorization.

138950575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558033 (or 5558028 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 43.

The square root of 138950575 is about 11787.7298492967. The cubic root of 138950575 is about 517.9487422137.

The spelling of 138950575 in words is "one hundred thirty-eight million, nine hundred fifty thousand, five hundred seventy-five".