134621642713 has 2 divisors, whose sum is σ = 134621642714. Its totient is φ = 134621642712.

The previous prime is 134621642693. The next prime is 134621642791. The reversal of 134621642713 is 317246126431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130641042249 + 3980600464 = 361443^2 + 63092^2 .

It is a cyclic number.

It is not a de Polignac number, because 134621642713 - 2⁵ = 134621642681 is a prime.

It is a super-3 number, since 3×134621642713³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (134628642713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67310821356 + 67310821357.

It is an arithmetic number, because the mean of its divisors is an integer number (67310821357).

Almost surely, 2^134621642713 is an apocalyptic number.

It is an amenable number.

134621642713 is a deficient number, since it is larger than the sum of its proper divisors (1).

134621642713 is an equidigital number, since it uses as much as digits as its factorization.

134621642713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The spelling of 134621642713 in words is "one hundred thirty-four billion, six hundred twenty-one million, six hundred forty-two thousand, seven hundred thirteen".