138023313 has 8 divisors (see below), whose sum is σ = 184085376. Its totient is φ = 91988400.

The previous prime is 138023311. The next prime is 138023317. The reversal of 138023313 is 313320831.

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

It is not a de Polignac number, because 138023313 - 2¹ = 138023311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138023311) 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, 16248 + ... + 23238.

It is an arithmetic number, because the mean of its divisors is an integer number (23010672).

Almost surely, 2^138023313 is an apocalyptic number.

It is an amenable number.

138023313 is a deficient number, since it is larger than the sum of its proper divisors (46062063).

138023313 is an equidigital number, since it uses as much as digits as its factorization.

138023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 138023313 is about 11748.3323497422. The cubic root of 138023313 is about 516.7940234546.

The spelling of 138023313 in words is "one hundred thirty-eight million, twenty-three thousand, three hundred thirteen".