135528793 has 2 divisors, whose sum is σ = 135528794. Its totient is φ = 135528792.

The previous prime is 135528787. The next prime is 135528797. The reversal of 135528793 is 397825531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129117769 + 6411024 = 11363^2 + 2532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135528793 is a prime.

It is not a weakly prime, because it can be changed into another prime (135528797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67764396 + 67764397.

It is an arithmetic number, because the mean of its divisors is an integer number (67764397).

Almost surely, 2^135528793 is an apocalyptic number.

It is an amenable number.

135528793 is a deficient number, since it is larger than the sum of its proper divisors (1).

135528793 is an equidigital number, since it uses as much as digits as its factorization.

135528793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 135528793 is about 11641.6834263778. The cubic root of 135528793 is about 513.6617064204.

The spelling of 135528793 in words is "one hundred thirty-five million, five hundred twenty-eight thousand, seven hundred ninety-three".