138313051 has 8 divisors (see below), whose sum is σ = 140851440. Its totient is φ = 135781248.

The previous prime is 138313039. The next prime is 138313073. The reversal of 138313051 is 150313831.

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 138313051 - 2¹⁵ = 138280283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138313081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63655 + ... + 65791.

It is an arithmetic number, because the mean of its divisors is an integer number (17606430).

Almost surely, 2^138313051 is an apocalyptic number.

138313051 is a deficient number, since it is larger than the sum of its proper divisors (2538389).

138313051 is a wasteful number, since it uses less digits than its factorization.

138313051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293.

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

The square root of 138313051 is about 11760.6569119246. The cubic root of 138313051 is about 517.1553880465.

Adding to 138313051 its reverse (150313831), we get a palindrome (288626882).

The spelling of 138313051 in words is "one hundred thirty-eight million, three hundred thirteen thousand, fifty-one".