135502297 has 24 divisors (see below), whose sum is σ = 164324160. Its totient is φ = 111273120.

The previous prime is 135502273. The next prime is 135502309. The reversal of 135502297 is 792205531.

It is not a de Polignac number, because 135502297 - 2²³ = 127113689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135502247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237022 + ... + 237592.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^135502297 is an apocalyptic number.

It is an amenable number.

135502297 is a deficient number, since it is larger than the sum of its proper divisors (28821863).

135502297 is a wasteful number, since it uses less digits than its factorization.

135502297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 135502297 is about 11640.5453910029. The cubic root of 135502297 is about 513.6282304647.

The spelling of 135502297 in words is "one hundred thirty-five million, five hundred two thousand, two hundred ninety-seven".