134401281593 has 2 divisors, whose sum is σ = 134401281594. Its totient is φ = 134401281592.

The previous prime is 134401281589. The next prime is 134401281653. The reversal of 134401281593 is 395182104431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131850324544 + 2550957049 = 363112^2 + 50507^2 .

It is a cyclic number.

It is not a de Polignac number, because 134401281593 - 2² = 134401281589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134401281593.

It is not a weakly prime, because it can be changed into another prime (134401281583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67200640796 + 67200640797.

It is an arithmetic number, because the mean of its divisors is an integer number (67200640797).

Almost surely, 2^134401281593 is an apocalyptic number.

It is an amenable number.

134401281593 is a deficient number, since it is larger than the sum of its proper divisors (1).

134401281593 is an equidigital number, since it uses as much as digits as its factorization.

134401281593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 134401281593 in words is "one hundred thirty-four billion, four hundred one million, two hundred eighty-one thousand, five hundred ninety-three".