138299810755 has 16 divisors (see below), whose sum is σ = 170116337664. Its totient is φ = 107886180960.

The previous prime is 138299810749. The next prime is 138299810777. The reversal of 138299810755 is 557018992831.

It is a happy number.

It is not a de Polignac number, because 138299810755 - 2²⁹ = 137762939843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138299810755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022127 + ... + 1149496.

It is an arithmetic number, because the mean of its divisors is an integer number (10632271104).

Almost surely, 2^138299810755 is an apocalyptic number.

138299810755 is a deficient number, since it is larger than the sum of its proper divisors (31816526909).

138299810755 is a wasteful number, since it uses less digits than its factorization.

138299810755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171946.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 138299810755 in words is "one hundred thirty-eight billion, two hundred ninety-nine million, eight hundred ten thousand, seven hundred fifty-five".