138685963352 has 32 divisors (see below), whose sum is σ = 267850346400. Its totient is φ = 67277894400.

The previous prime is 138685963337. The next prime is 138685963357. The reversal of 138685963352 is 253369586831.

It is a junction number, because it is equal to n+sod(n) for n = 138685963291 and 138685963300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138685963357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108652 + ... + 1227387.

It is an arithmetic number, because the mean of its divisors is an integer number (8370323325).

Almost surely, 2^138685963352 is an apocalyptic number.

It is an amenable number.

138685963352 is a deficient number, since it is larger than the sum of its proper divisors (129164383048).

138685963352 is a wasteful number, since it uses less digits than its factorization.

138685963352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336267 (or 2336263 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 59.

The spelling of 138685963352 in words is "one hundred thirty-eight billion, six hundred eighty-five million, nine hundred sixty-three thousand, three hundred fifty-two".