138885763670 has 8 divisors (see below), whose sum is σ = 249994374624. Its totient is φ = 55554305464.

The previous prime is 138885763669. The next prime is 138885763673. The reversal of 138885763670 is 76367588831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138885763673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6944288174 + ... + 6944288193.

It is an arithmetic number, because the mean of its divisors is an integer number (31249296828).

Almost surely, 2^138885763670 is an apocalyptic number.

138885763670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138885763670 is a deficient number, since it is larger than the sum of its proper divisors (111108610954).

138885763670 is a wasteful number, since it uses less digits than its factorization.

138885763670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13888576374.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 138885763670 in words is "one hundred thirty-eight billion, eight hundred eighty-five million, seven hundred sixty-three thousand, six hundred seventy".