138787614803 has 2 divisors, whose sum is σ = 138787614804. Its totient is φ = 138787614802.

The previous prime is 138787614793. The next prime is 138787614817. The reversal of 138787614803 is 308416787831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138787614803 - 2⁴ = 138787614787 is a prime.

It is not a weakly prime, because it can be changed into another prime (138787614863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69393807401 + 69393807402.

It is an arithmetic number, because the mean of its divisors is an integer number (69393807402).

Almost surely, 2^138787614803 is an apocalyptic number.

138787614803 is a deficient number, since it is larger than the sum of its proper divisors (1).

138787614803 is an equidigital number, since it uses as much as digits as its factorization.

138787614803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 138787614803 in words is "one hundred thirty-eight billion, seven hundred eighty-seven million, six hundred fourteen thousand, eight hundred three".