135140653 has 2 divisors, whose sum is σ = 135140654. Its totient is φ = 135140652.

The previous prime is 135140611. The next prime is 135140657. The reversal of 135140653 is 356041531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130462084 + 4678569 = 11422^2 + 2163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135140653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135140657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67570326 + 67570327.

It is an arithmetic number, because the mean of its divisors is an integer number (67570327).

Almost surely, 2^135140653 is an apocalyptic number.

It is an amenable number.

135140653 is a deficient number, since it is larger than the sum of its proper divisors (1).

135140653 is an equidigital number, since it uses as much as digits as its factorization.

135140653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 135140653 is about 11625.0012043010. The cubic root of 135140653 is about 513.1708801267.

Subtracting from 135140653 its sum of digits (28), we obtain a square (135140625 = 11625²).

The spelling of 135140653 in words is "one hundred thirty-five million, one hundred forty thousand, six hundred fifty-three".