138310513 has 8 divisors (see below), whose sum is σ = 151020000. Its totient is φ = 125623680.

The previous prime is 138310451. The next prime is 138310537. The reversal of 138310513 is 315013831.

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 138310513 - 2⁹ = 138310001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138310013) 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, 8706 + ... + 18772.

It is an arithmetic number, because the mean of its divisors is an integer number (18877500).

Almost surely, 2^138310513 is an apocalyptic number.

It is an amenable number.

138310513 is a deficient number, since it is larger than the sum of its proper divisors (12709487).

138310513 is a wasteful number, since it uses less digits than its factorization.

138310513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 138310513 is about 11760.5490092937. The cubic root of 138310513 is about 517.1522248154.

The spelling of 138310513 in words is "one hundred thirty-eight million, three hundred ten thousand, five hundred thirteen".