138802391285759 has 12 divisors (see below), whose sum is σ = 145450311709248. Its totient is φ = 132320045484000.

The previous prime is 138802391285693. The next prime is 138802391285771. The reversal of 138802391285759 is 957582193208831.

It is not a de Polignac number, because 138802391285759 - 2²⁴ = 138802374508543 is a prime.

It is a super-2 number, since 2×138802391285759² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138802391285692 and 138802391285701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138802391285059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498579542 + ... + 498857859.

It is an arithmetic number, because the mean of its divisors is an integer number (12120859309104).

Almost surely, 2^{138802391285759} is an apocalyptic number.

138802391285759 is a deficient number, since it is larger than the sum of its proper divisors (6647920423489).

138802391285759 is an frugal number, since it uses more digits than its factorization.

138802391285759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997437566 (or 997437499 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 71.

The spelling of 138802391285759 in words is "one hundred thirty-eight trillion, eight hundred two billion, three hundred ninety-one million, two hundred eighty-five thousand, seven hundred fifty-nine".