138410253 has 12 divisors (see below), whose sum is σ = 204180288. Its totient is φ = 90309960.

The previous prime is 138410227. The next prime is 138410273. The reversal of 138410253 is 352014831.

It is a happy number.

It is not a de Polignac number, because 138410253 - 2⁵ = 138410221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138410213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163183 + ... + 164028.

It is an arithmetic number, because the mean of its divisors is an integer number (17015024).

Almost surely, 2^138410253 is an apocalyptic number.

It is an amenable number.

138410253 is a deficient number, since it is larger than the sum of its proper divisors (65770035).

138410253 is a wasteful number, since it uses less digits than its factorization.

138410253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327264 (or 327261 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 138410253 is about 11764.7886933850. The cubic root of 138410253 is about 517.2765064479.

The spelling of 138410253 in words is "one hundred thirty-eight million, four hundred ten thousand, two hundred fifty-three".