138299062247 has 16 divisors (see below), whose sum is σ = 145838880000. Its totient is φ = 130785571584.

The previous prime is 138299062229. The next prime is 138299062271. The reversal of 138299062247 is 742260992831.

It is not a de Polignac number, because 138299062247 - 2⁸ = 138299061991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138299062147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47638598 + ... + 47641500.

It is an arithmetic number, because the mean of its divisors is an integer number (9114930000).

Almost surely, 2^138299062247 is an apocalyptic number.

138299062247 is a deficient number, since it is larger than the sum of its proper divisors (7539817753).

138299062247 is a wasteful number, since it uses less digits than its factorization.

138299062247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 138299062247 in words is "one hundred thirty-eight billion, two hundred ninety-nine million, sixty-two thousand, two hundred forty-seven".