135125299 has 16 divisors (see below), whose sum is σ = 152953920. Its totient is φ = 118666240.

The previous prime is 135125273. The next prime is 135125317. The reversal of 135125299 is 992521531.

It is a cyclic number.

It is not a de Polignac number, because 135125299 - 2⁵ = 135125267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135125099) 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 15 ways as a sum of consecutive naturals, for example, 11817 + ... + 20245.

It is an arithmetic number, because the mean of its divisors is an integer number (9559620).

Almost surely, 2^135125299 is an apocalyptic number.

135125299 is a deficient number, since it is larger than the sum of its proper divisors (17828621).

135125299 is a wasteful number, since it uses less digits than its factorization.

135125299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510.

The product of its digits is 24300, while the sum is 37.

The square root of 135125299 is about 11624.3407985141. The cubic root of 135125299 is about 513.1514447608.

It can be divided in two parts, 135125 and 299, that added together give a square (135424 = 368²).

The spelling of 135125299 in words is "one hundred thirty-five million, one hundred twenty-five thousand, two hundred ninety-nine".