135146925 has 36 divisors (see below), whose sum is σ = 243371700. Its totient is φ = 71688960.

The previous prime is 135146917. The next prime is 135146929. The reversal of 135146925 is 529641531.

It can be written as a sum of positive squares in 6 ways, for example, as 285156 + 134861769 = 534^2 + 11613^2 .

It is not a de Polignac number, because 135146925 - 2³ = 135146917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135146925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135146929) 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 35 ways as a sum of consecutive naturals, for example, 42801 + ... + 45849.

It is an arithmetic number, because the mean of its divisors is an integer number (6760325).

Almost surely, 2^135146925 is an apocalyptic number.

135146925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135146925 is a deficient number, since it is larger than the sum of its proper divisors (108224775).

135146925 is a wasteful number, since it uses less digits than its factorization.

135146925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3254 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 135146925 is about 11625.2709645840. The cubic root of 135146925 is about 513.1788189122.

The spelling of 135146925 in words is "one hundred thirty-five million, one hundred forty-six thousand, nine hundred twenty-five".