134796509 has 2 divisors, whose sum is σ = 134796510. Its totient is φ = 134796508.

The previous prime is 134796481. The next prime is 134796523. The reversal of 134796509 is 905697431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112423609 + 22372900 = 10603^2 + 4730^2 .

It is a cyclic number.

It is not a de Polignac number, because 134796509 - 2⁸ = 134796253 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134796509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134796539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67398254 + 67398255.

It is an arithmetic number, because the mean of its divisors is an integer number (67398255).

Almost surely, 2^134796509 is an apocalyptic number.

It is an amenable number.

134796509 is a deficient number, since it is larger than the sum of its proper divisors (1).

134796509 is an equidigital number, since it uses as much as digits as its factorization.

134796509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 134796509 is about 11610.1898778616. The cubic root of 134796509 is about 512.7349027469.

The spelling of 134796509 in words is "one hundred thirty-four million, seven hundred ninety-six thousand, five hundred nine".