134646148081 has 2 divisors, whose sum is σ = 134646148082. Its totient is φ = 134646148080.

The previous prime is 134646148057. The next prime is 134646148099. The reversal of 134646148081 is 180841646431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134230640625 + 415507456 = 366375^2 + 20384^2 .

It is a cyclic number.

It is not a de Polignac number, because 134646148081 - 2²⁷ = 134511930353 is a prime.

It is a super-2 number, since 2×134646148081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134646148381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67323074040 + 67323074041.

It is an arithmetic number, because the mean of its divisors is an integer number (67323074041).

Almost surely, 2^134646148081 is an apocalyptic number.

It is an amenable number.

134646148081 is a deficient number, since it is larger than the sum of its proper divisors (1).

134646148081 is an equidigital number, since it uses as much as digits as its factorization.

134646148081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 134646148081 in words is "one hundred thirty-four billion, six hundred forty-six million, one hundred forty-eight thousand, eighty-one".