138802814463181 has 8 divisors (see below), whose sum is σ = 151447327853184. Its totient is φ = 126162647025120.

The previous prime is 138802814463067. The next prime is 138802814463193. The reversal of 138802814463181 is 181364418208831.

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 138802814463181 - 2¹⁷ = 138802814332109 is a prime.

It is a super-2 number, since 2×138802814463181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138802814469181) 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, 1086421200 + ... + 1086548953.

It is an arithmetic number, because the mean of its divisors is an integer number (18930915981648).

Almost surely, 2^{138802814463181} is an apocalyptic number.

138802814463181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

138802814463181 is a deficient number, since it is larger than the sum of its proper divisors (12644513390003).

138802814463181 is a wasteful number, since it uses less digits than its factorization.

138802814463181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172975971.

The product of its (nonzero) digits is 7077888, while the sum is 58.

The spelling of 138802814463181 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred fourteen million, four hundred sixty-three thousand, one hundred eighty-one".