134497112921 has 2 divisors, whose sum is σ = 134497112922. Its totient is φ = 134497112920.

The previous prime is 134497112839. The next prime is 134497112929. The reversal of 134497112921 is 129211794431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110200097296 + 24297015625 = 331964^2 + 155875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134497112921 is a prime.

It is not a weakly prime, because it can be changed into another prime (134497112929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67248556460 + 67248556461.

It is an arithmetic number, because the mean of its divisors is an integer number (67248556461).

Almost surely, 2^134497112921 is an apocalyptic number.

It is an amenable number.

134497112921 is a deficient number, since it is larger than the sum of its proper divisors (1).

134497112921 is an equidigital number, since it uses as much as digits as its factorization.

134497112921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The spelling of 134497112921 in words is "one hundred thirty-four billion, four hundred ninety-seven million, one hundred twelve thousand, nine hundred twenty-one".