138650313 has 4 divisors (see below), whose sum is σ = 184867088. Its totient is φ = 92433540.

The previous prime is 138650299. The next prime is 138650327. The reversal of 138650313 is 313056831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (138650299) and next prime (138650327).

It is not a de Polignac number, because 138650313 - 2²¹ = 136553161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138650513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23108383 + ... + 23108388.

It is an arithmetic number, because the mean of its divisors is an integer number (46216772).

Almost surely, 2^138650313 is an apocalyptic number.

It is an amenable number.

138650313 is a deficient number, since it is larger than the sum of its proper divisors (46216775).

138650313 is an equidigital number, since it uses as much as digits as its factorization.

138650313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46216774.

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

The square root of 138650313 is about 11774.9867515849. The cubic root of 138650313 is about 517.5753900761.

The spelling of 138650313 in words is "one hundred thirty-eight million, six hundred fifty thousand, three hundred thirteen".