135230357 has 2 divisors, whose sum is σ = 135230358. Its totient is φ = 135230356.

The previous prime is 135230309. The next prime is 135230369. The reversal of 135230357 is 753032531.

135230357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113337316 + 21893041 = 10646^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 135230357 - 2²² = 131036053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135230387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67615178 + 67615179.

It is an arithmetic number, because the mean of its divisors is an integer number (67615179).

Almost surely, 2^135230357 is an apocalyptic number.

It is an amenable number.

135230357 is a deficient number, since it is larger than the sum of its proper divisors (1).

135230357 is an equidigital number, since it uses as much as digits as its factorization.

135230357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 135230357 is about 11628.8588004155. The cubic root of 135230357 is about 513.2843996289.

Adding to 135230357 its reverse (753032531), we get a palindrome (888262888).

The spelling of 135230357 in words is "one hundred thirty-five million, two hundred thirty thousand, three hundred fifty-seven".