135125307 has 16 divisors (see below), whose sum is σ = 204842880. Its totient is φ = 87987816.

The previous prime is 135125273. The next prime is 135125317. The reversal of 135125307 is 703521531.

135125307 is a `hidden beast` number, since 1 + 351 + 2 + 5 + 307 = 666.

135125307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135125307 - 2¹² = 135121211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135125317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57033 + ... + 59354.

It is an arithmetic number, because the mean of its divisors is an integer number (12802680).

Almost surely, 2^135125307 is an apocalyptic number.

135125307 is a deficient number, since it is larger than the sum of its proper divisors (69717573).

135125307 is a wasteful number, since it uses less digits than its factorization.

135125307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116439 (or 116433 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 135125307 is about 11624.3411426197. The cubic root of 135125307 is about 513.1514548877.

Adding to 135125307 its reverse (703521531), we get a palindrome (838646838).

The spelling of 135125307 in words is "one hundred thirty-five million, one hundred twenty-five thousand, three hundred seven".