134502020507 has 2 divisors, whose sum is σ = 134502020508. Its totient is φ = 134502020506.

The previous prime is 134502020467. The next prime is 134502020531. The reversal of 134502020507 is 705020205431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134502020507 - 2¹⁴ = 134502004123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134502020507.

It is not a weakly prime, because it can be changed into another prime (134502020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67251010253 + 67251010254.

It is an arithmetic number, because the mean of its divisors is an integer number (67251010254).

Almost surely, 2^134502020507 is an apocalyptic number.

134502020507 is a deficient number, since it is larger than the sum of its proper divisors (1).

134502020507 is an equidigital number, since it uses as much as digits as its factorization.

134502020507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 134502020507 its reverse (705020205431), we get a palindrome (839522225938).

The spelling of 134502020507 in words is "one hundred thirty-four billion, five hundred two million, twenty thousand, five hundred seven".