134800808081 has 4 divisors (see below), whose sum is σ = 137085567600. Its totient is φ = 132516048564.

The previous prime is 134800808047. The next prime is 134800808111. The reversal of 134800808081 is 180808008431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180808008431 = 31 ⋅5832516401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134800808081 is a prime.

It is a super-2 number, since 2×134800808081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134800808881) 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, 1142379671 + ... + 1142379788.

It is an arithmetic number, because the mean of its divisors is an integer number (34271391900).

Almost surely, 2^134800808081 is an apocalyptic number.

It is an amenable number.

134800808081 is a deficient number, since it is larger than the sum of its proper divisors (2284759519).

134800808081 is an equidigital number, since it uses as much as digits as its factorization.

134800808081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284759518.

The product of its (nonzero) digits is 49152, while the sum is 41.

The spelling of 134800808081 in words is "one hundred thirty-four billion, eight hundred million, eight hundred eight thousand, eighty-one".