138834846964 has 48 divisors (see below), whose sum is σ = 274306596480. Its totient is φ = 60904287360.

The previous prime is 138834846881. The next prime is 138834846967. The reversal of 138834846964 is 469648438831.

138834846964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138834846964² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138834846896 and 138834846905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138834846967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3087289 + ... + 3131935.

It is an arithmetic number, because the mean of its divisors is an integer number (5714720760).

Almost surely, 2^138834846964 is an apocalyptic number.

It is an amenable number.

138834846964 is a deficient number, since it is larger than the sum of its proper divisors (135471749516).

138834846964 is a wasteful number, since it uses less digits than its factorization.

138834846964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47128 (or 47126 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 64.

The spelling of 138834846964 in words is "one hundred thirty-eight billion, eight hundred thirty-four million, eight hundred forty-six thousand, nine hundred sixty-four".