138802391285761 has 8 divisors (see below), whose sum is σ = 158631902025344. Its totient is φ = 118973029970880.

The previous prime is 138802391285693. The next prime is 138802391285771. The reversal of 138802391285761 is 167582193208831.

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 138802391285761 - 2¹⁹ = 138802390761473 is a prime.

It is a super-2 number, since 2×138802391285761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138802391285693 and 138802391285702.

It is not an unprimeable number, because it can be changed into a prime (138802391285771) 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, 35358525 + ... + 39087466.

It is an arithmetic number, because the mean of its divisors is an integer number (19828987753168).

Almost surely, 2^{138802391285761} is an apocalyptic number.

It is an amenable number.

138802391285761 is a deficient number, since it is larger than the sum of its proper divisors (19829510739583).

138802391285761 is an equidigital number, since it uses as much as digits as its factorization.

138802391285761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74712351.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 138802391285761 in words is "one hundred thirty-eight trillion, eight hundred two billion, three hundred ninety-one million, two hundred eighty-five thousand, seven hundred sixty-one".