135030011257 has 2 divisors, whose sum is σ = 135030011258. Its totient is φ = 135030011256.

The previous prime is 135030011209. The next prime is 135030011293. The reversal of 135030011257 is 752110030531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135029791296 + 219961 = 367464^2 + 469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135030011257 is a prime.

It is not a weakly prime, because it can be changed into another prime (135030015257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67515005628 + 67515005629.

It is an arithmetic number, because the mean of its divisors is an integer number (67515005629).

Almost surely, 2^135030011257 is an apocalyptic number.

It is an amenable number.

135030011257 is a deficient number, since it is larger than the sum of its proper divisors (1).

135030011257 is an equidigital number, since it uses as much as digits as its factorization.

135030011257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

Adding to 135030011257 its reverse (752110030531), we get a palindrome (887140041788).

The spelling of 135030011257 in words is "one hundred thirty-five billion, thirty million, eleven thousand, two hundred fifty-seven".