134662557577 has 2 divisors, whose sum is σ = 134662557578. Its totient is φ = 134662557576.

The previous prime is 134662557493. The next prime is 134662557593. The reversal of 134662557577 is 775755266431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121678182976 + 12984374601 = 348824^2 + 113949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134662557577 is a prime.

It is a super-2 number, since 2×134662557577² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134662557677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67331278788 + 67331278789.

It is an arithmetic number, because the mean of its divisors is an integer number (67331278789).

Almost surely, 2^134662557577 is an apocalyptic number.

It is an amenable number.

134662557577 is a deficient number, since it is larger than the sum of its proper divisors (1).

134662557577 is an equidigital number, since it uses as much as digits as its factorization.

134662557577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044000, while the sum is 58.

The spelling of 134662557577 in words is "one hundred thirty-four billion, six hundred sixty-two million, five hundred fifty-seven thousand, five hundred seventy-seven".