138014747 has 16 divisors (see below), whose sum is σ = 152705280. Its totient is φ = 123952032.

The previous prime is 138014731. The next prime is 138014761. The reversal of 138014747 is 747410831.

It is a cyclic number.

It is not a de Polignac number, because 138014747 - 2⁴ = 138014731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138014777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78128 + ... + 79874.

It is an arithmetic number, because the mean of its divisors is an integer number (9544080).

Almost surely, 2^138014747 is an apocalyptic number.

138014747 is a deficient number, since it is larger than the sum of its proper divisors (14690533).

138014747 is a wasteful number, since it uses less digits than its factorization.

138014747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 138014747 is about 11747.9677817059. The cubic root of 138014747 is about 516.7833321468.

The spelling of 138014747 in words is "one hundred thirty-eight million, fourteen thousand, seven hundred forty-seven".