135170775 has 30 divisors (see below), whose sum is σ = 250386752. Its totient is φ = 72090000.

The previous prime is 135170773. The next prime is 135170803. The reversal of 135170775 is 577071531.

It is a happy number.

It is not a de Polignac number, because 135170775 - 2¹ = 135170773 is a prime.

It is a super-2 number, since 2×135170775² = 36542276828201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135170773) 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 29 ways as a sum of consecutive naturals, for example, 31351 + ... + 35400.

Almost surely, 2^135170775 is an apocalyptic number.

135170775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135170775 is a deficient number, since it is larger than the sum of its proper divisors (115215977).

135170775 is an equidigital number, since it uses as much as digits as its factorization.

135170775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66773 (or 66759 counting only the distinct ones).

The product of its (nonzero) digits is 25725, while the sum is 36.

The square root of 135170775 is about 11626.2967018737. The cubic root of 135170775 is about 513.2090048128.

The spelling of 135170775 in words is "one hundred thirty-five million, one hundred seventy thousand, seven hundred seventy-five".