134700686977 has 2 divisors, whose sum is σ = 134700686978. Its totient is φ = 134700686976.

The previous prime is 134700686947. The next prime is 134700687047. The reversal of 134700686977 is 779686007431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134589194496 + 111492481 = 366864^2 + 10559^2 .

It is an emirp because it is prime and its reverse (779686007431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134700686977 - 2¹¹ = 134700684929 is a prime.

It is not a weakly prime, because it can be changed into another prime (134700686947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67350343488 + 67350343489.

It is an arithmetic number, because the mean of its divisors is an integer number (67350343489).

Almost surely, 2^134700686977 is an apocalyptic number.

It is an amenable number.

134700686977 is a deficient number, since it is larger than the sum of its proper divisors (1).

134700686977 is an equidigital number, since it uses as much as digits as its factorization.

134700686977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 134700686977 in words is "one hundred thirty-four billion, seven hundred million, six hundred eighty-six thousand, nine hundred seventy-seven".