135173007 has 6 divisors (see below), whose sum is σ = 195249912. Its totient is φ = 90115332.

The previous prime is 135172997. The next prime is 135173009. The reversal of 135173007 is 700371531.

135173007 is a `hidden beast` number, since 1 + 351 + 7 + 300 + 7 = 666.

It is not a de Polignac number, because 135173007 - 2⁶ = 135172943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135173009) 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 5 ways as a sum of consecutive naturals, for example, 7509603 + ... + 7509620.

It is an arithmetic number, because the mean of its divisors is an integer number (32541652).

Almost surely, 2^135173007 is an apocalyptic number.

135173007 is a deficient number, since it is larger than the sum of its proper divisors (60076905).

135173007 is a wasteful number, since it uses less digits than its factorization.

135173007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15019229 (or 15019226 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 135173007 is about 11626.3926907704. The cubic root of 135173007 is about 513.2118295757.

The spelling of 135173007 in words is "one hundred thirty-five million, one hundred seventy-three thousand, seven".