138635301 has 16 divisors (see below), whose sum is σ = 211602944. Its totient is φ = 79089264.

The previous prime is 138635279. The next prime is 138635339. The reversal of 138635301 is 103536831.

It is not a de Polignac number, because 138635301 - 2⁵ = 138635269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138635201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8370 + ... + 18636.

It is an arithmetic number, because the mean of its divisors is an integer number (13225184).

Almost surely, 2^138635301 is an apocalyptic number.

It is an amenable number.

138635301 is a deficient number, since it is larger than the sum of its proper divisors (72967643).

138635301 is a wasteful number, since it uses less digits than its factorization.

138635301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 138635301 is about 11774.3492813828. The cubic root of 138635301 is about 517.5567096947.

The spelling of 138635301 in words is "one hundred thirty-eight million, six hundred thirty-five thousand, three hundred one".