135041593 has 2 divisors, whose sum is σ = 135041594. Its totient is φ = 135041592.

The previous prime is 135041567. The next prime is 135041609. The reversal of 135041593 is 395140531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106440489 + 28601104 = 10317^2 + 5348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135041593 is a prime.

It is not a weakly prime, because it can be changed into another prime (135041563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67520796 + 67520797.

It is an arithmetic number, because the mean of its divisors is an integer number (67520797).

Almost surely, 2^135041593 is an apocalyptic number.

It is an amenable number.

135041593 is a deficient number, since it is larger than the sum of its proper divisors (1).

135041593 is an equidigital number, since it uses as much as digits as its factorization.

135041593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 135041593 is about 11620.7397785167. The cubic root of 135041593 is about 513.0454623190.

The spelling of 135041593 in words is "one hundred thirty-five million, forty-one thousand, five hundred ninety-three".