138488383 has 8 divisors (see below), whose sum is σ = 151407360. Its totient is φ = 125624280.

The previous prime is 138488381. The next prime is 138488401. The reversal of 138488383 is 383884831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138488383 - 2¹ = 138488381 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 (138488381) 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, 8343 + ... + 18616.

It is an arithmetic number, because the mean of its divisors is an integer number (18925920).

Almost surely, 2^138488383 is an apocalyptic number.

138488383 is a deficient number, since it is larger than the sum of its proper divisors (12918977).

138488383 is a wasteful number, since it uses less digits than its factorization.

138488383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27437.

The product of its digits is 442368, while the sum is 46.

The square root of 138488383 is about 11768.1087265542. The cubic root of 138488383 is about 517.3738191120.

The spelling of 138488383 in words is "one hundred thirty-eight million, four hundred eighty-eight thousand, three hundred eighty-three".