138314751 has 16 divisors (see below), whose sum is σ = 186470400. Its totient is φ = 91190880.

The previous prime is 138314747. The next prime is 138314773. The reversal of 138314751 is 157413831.

It is not a de Polignac number, because 138314751 - 2² = 138314747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138314731) 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 15 ways as a sum of consecutive naturals, for example, 113421 + ... + 114633.

It is an arithmetic number, because the mean of its divisors is an integer number (11654400).

Almost surely, 2^138314751 is an apocalyptic number.

138314751 is a deficient number, since it is larger than the sum of its proper divisors (48155649).

138314751 is a wasteful number, since it uses less digits than its factorization.

138314751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its digits is 10080, while the sum is 33.

The square root of 138314751 is about 11760.7291865768. The cubic root of 138314751 is about 517.1575068163.

The spelling of 138314751 in words is "one hundred thirty-eight million, three hundred fourteen thousand, seven hundred fifty-one".