138767962285 has 8 divisors (see below), whose sum is σ = 166528204920. Its totient is φ = 111009936384.

The previous prime is 138767962261. The next prime is 138767962301. The reversal of 138767962285 is 582269767831.

It can be written as a sum of positive squares in 4 ways, for example, as 726733764 + 138041228521 = 26958^2 + 371539^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 138767962285 - 2²⁵ = 138734407853 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 413200 + ... + 669529.

It is an arithmetic number, because the mean of its divisors is an integer number (20816025615).

Almost surely, 2^138767962285 is an apocalyptic number.

It is an amenable number.

138767962285 is a deficient number, since it is larger than the sum of its proper divisors (27760242635).

138767962285 is a wasteful number, since it uses less digits than its factorization.

138767962285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108367.

The product of its digits is 60963840, while the sum is 64.

The spelling of 138767962285 in words is "one hundred thirty-eight billion, seven hundred sixty-seven million, nine hundred sixty-two thousand, two hundred eighty-five".