134524742509 has 2 divisors, whose sum is σ = 134524742510. Its totient is φ = 134524742508.

The previous prime is 134524742491. The next prime is 134524742537. The reversal of 134524742509 is 905247425431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86792106025 + 47732636484 = 294605^2 + 218478^2 .

It is a cyclic number.

It is not a de Polignac number, because 134524742509 - 2⁵ = 134524742477 is a prime.

It is a super-2 number, since 2×134524742509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134524742549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67262371254 + 67262371255.

It is an arithmetic number, because the mean of its divisors is an integer number (67262371255).

Almost surely, 2^134524742509 is an apocalyptic number.

It is an amenable number.

134524742509 is a deficient number, since it is larger than the sum of its proper divisors (1).

134524742509 is an equidigital number, since it uses as much as digits as its factorization.

134524742509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 134524742509 in words is "one hundred thirty-four billion, five hundred twenty-four million, seven hundred forty-two thousand, five hundred nine".