135248929 has 2 divisors, whose sum is σ = 135248930. Its totient is φ = 135248928.

The previous prime is 135248921. The next prime is 135248987. The reversal of 135248929 is 929842531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 4100625 = 11452^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 135248929 - 2³ = 135248921 is a prime.

It is not a weakly prime, because it can be changed into another prime (135248921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67624464 + 67624465.

It is an arithmetic number, because the mean of its divisors is an integer number (67624465).

Almost surely, 2^135248929 is an apocalyptic number.

It is an amenable number.

135248929 is a deficient number, since it is larger than the sum of its proper divisors (1).

135248929 is an equidigital number, since it uses as much as digits as its factorization.

135248929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 135248929 is about 11629.6573036354. The cubic root of 135248929 is about 513.3078960334.

The spelling of 135248929 in words is "one hundred thirty-five million, two hundred forty-eight thousand, nine hundred twenty-nine".