134621640683 has 2 divisors, whose sum is σ = 134621640684. Its totient is φ = 134621640682.

The previous prime is 134621640667. The next prime is 134621640719. The reversal of 134621640683 is 386046126431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134621640683 - 2⁴ = 134621640667 is a prime.

It is a super-2 number, since 2×134621640683² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (134621640583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67310820341 + 67310820342.

It is an arithmetic number, because the mean of its divisors is an integer number (67310820342).

Almost surely, 2^134621640683 is an apocalyptic number.

134621640683 is a deficient number, since it is larger than the sum of its proper divisors (1).

134621640683 is an equidigital number, since it uses as much as digits as its factorization.

134621640683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 134621640683 in words is "one hundred thirty-four billion, six hundred twenty-one million, six hundred forty thousand, six hundred eighty-three".