135172275 has 48 divisors (see below), whose sum is σ = 258983424. Its totient is φ = 60929280.

The previous prime is 135172273. The next prime is 135172291. The reversal of 135172275 is 572271531.

It is a happy number.

It is not a de Polignac number, because 135172275 - 2¹ = 135172273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135172273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36562 + ... + 40088.

It is an arithmetic number, because the mean of its divisors is an integer number (5395488).

Almost surely, 2^135172275 is an apocalyptic number.

135172275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135172275 is a deficient number, since it is larger than the sum of its proper divisors (123811149).

135172275 is a wasteful number, since it uses less digits than its factorization.

135172275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 3615 counting only the distinct ones).

The product of its digits is 14700, while the sum is 33.

The square root of 135172275 is about 11626.3612106282. The cubic root of 135172275 is about 513.2109031784.

The spelling of 135172275 in words is "one hundred thirty-five million, one hundred seventy-two thousand, two hundred seventy-five".