135261433 has 2 divisors, whose sum is σ = 135261434. Its totient is φ = 135261432.

The previous prime is 135261431. The next prime is 135261443. The reversal of 135261433 is 334162531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133934329 + 1327104 = 11573^2 + 1152^2 .

It is a cyclic number.

It is not a de Polignac number, because 135261433 - 2¹ = 135261431 is a prime.

Together with 135261431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135261431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67630716 + 67630717.

It is an arithmetic number, because the mean of its divisors is an integer number (67630717).

Almost surely, 2^135261433 is an apocalyptic number.

It is an amenable number.

135261433 is a deficient number, since it is larger than the sum of its proper divisors (1).

135261433 is an equidigital number, since it uses as much as digits as its factorization.

135261433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 135261433 is about 11630.1948822881. The cubic root of 135261433 is about 513.3237142835.

The spelling of 135261433 in words is "one hundred thirty-five million, two hundred sixty-one thousand, four hundred thirty-three".