134245293977 has 2 divisors, whose sum is σ = 134245293978. Its totient is φ = 134245293976.

The previous prime is 134245293971. The next prime is 134245293979. The reversal of 134245293977 is 779392542431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134065090201 + 180203776 = 366149^2 + 13424^2 .

It is a cyclic number.

It is not a de Polignac number, because 134245293977 - 2¹⁰ = 134245292953 is a prime.

Together with 134245293979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134245293971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67122646988 + 67122646989.

It is an arithmetic number, because the mean of its divisors is an integer number (67122646989).

Almost surely, 2^134245293977 is an apocalyptic number.

It is an amenable number.

134245293977 is a deficient number, since it is larger than the sum of its proper divisors (1).

134245293977 is an equidigital number, since it uses as much as digits as its factorization.

134245293977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 56.

The spelling of 134245293977 in words is "one hundred thirty-four billion, two hundred forty-five million, two hundred ninety-three thousand, nine hundred seventy-seven".