135125747 has 2 divisors, whose sum is σ = 135125748. Its totient is φ = 135125746.

The previous prime is 135125729. The next prime is 135125789. The reversal of 135125747 is 747521531.

It is a weak prime.

It is an emirp because it is prime and its reverse (747521531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135125747 - 2²⁰ = 134077171 is a prime.

It is not a weakly prime, because it can be changed into another prime (135125647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67562873 + 67562874.

It is an arithmetic number, because the mean of its divisors is an integer number (67562874).

Almost surely, 2^135125747 is an apocalyptic number.

135125747 is a deficient number, since it is larger than the sum of its proper divisors (1).

135125747 is an equidigital number, since it uses as much as digits as its factorization.

135125747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 135125747 is about 11624.3600684081. The cubic root of 135125747 is about 513.1520118680.

The spelling of 135125747 in words is "one hundred thirty-five million, one hundred twenty-five thousand, seven hundred forty-seven".