138037015747 has 2 divisors, whose sum is σ = 138037015748. Its totient is φ = 138037015746.

The previous prime is 138037015741. The next prime is 138037015759. The reversal of 138037015747 is 747510730831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138037015747 - 2⁷ = 138037015619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138037015697 and 138037015706.

It is not a weakly prime, because it can be changed into another prime (138037015741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69018507873 + 69018507874.

It is an arithmetic number, because the mean of its divisors is an integer number (69018507874).

Almost surely, 2^138037015747 is an apocalyptic number.

138037015747 is a deficient number, since it is larger than the sum of its proper divisors (1).

138037015747 is an equidigital number, since it uses as much as digits as its factorization.

138037015747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 138037015747 in words is "one hundred thirty-eight billion, thirty-seven million, fifteen thousand, seven hundred forty-seven".