134649517 has 2 divisors, whose sum is σ = 134649518. Its totient is φ = 134649516.

The previous prime is 134649511. The next prime is 134649527. The reversal of 134649517 is 715946431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116510436 + 18139081 = 10794^2 + 4259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134649517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134649517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134649511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67324758 + 67324759.

It is an arithmetic number, because the mean of its divisors is an integer number (67324759).

Almost surely, 2^134649517 is an apocalyptic number.

It is an amenable number.

134649517 is a deficient number, since it is larger than the sum of its proper divisors (1).

134649517 is an equidigital number, since it uses as much as digits as its factorization.

134649517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 134649517 is about 11603.8578498704. The cubic root of 134649517 is about 512.5484603789.

The spelling of 134649517 in words is "one hundred thirty-four million, six hundred forty-nine thousand, five hundred seventeen".