135170925 has 12 divisors (see below), whose sum is σ = 223482720. Its totient is φ = 72091120.

The previous prime is 135170923. The next prime is 135170933. The reversal of 135170925 is 529071531.

It is not a de Polignac number, because 135170925 - 2¹ = 135170923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135170923) 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 11 ways as a sum of consecutive naturals, for example, 901065 + ... + 901214.

It is an arithmetic number, because the mean of its divisors is an integer number (18623560).

Almost surely, 2^135170925 is an apocalyptic number.

135170925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135170925 is a deficient number, since it is larger than the sum of its proper divisors (88311795).

135170925 is a wasteful number, since it uses less digits than its factorization.

135170925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802292 (or 1802287 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 135170925 is about 11626.3031527653. The cubic root of 135170925 is about 513.2091946500.

The spelling of 135170925 in words is "one hundred thirty-five million, one hundred seventy thousand, nine hundred twenty-five".