134135761 has 2 divisors, whose sum is σ = 134135762. Its totient is φ = 134135760.

The previous prime is 134135737. The next prime is 134135779. The reversal of 134135761 is 167531431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83156161 + 50979600 = 9119^2 + 7140^2 .

It is an emirp because it is prime and its reverse (167531431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134135761 is a prime.

It is not a weakly prime, because it can be changed into another prime (134135731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67067880 + 67067881.

It is an arithmetic number, because the mean of its divisors is an integer number (67067881).

Almost surely, 2^134135761 is an apocalyptic number.

It is an amenable number.

134135761 is a deficient number, since it is larger than the sum of its proper divisors (1).

134135761 is an equidigital number, since it uses as much as digits as its factorization.

134135761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 134135761 is about 11581.6994003471. The cubic root of 134135761 is about 511.8957523455.

The spelling of 134135761 in words is "one hundred thirty-four million, one hundred thirty-five thousand, seven hundred sixty-one".