135170331 has 8 divisors (see below), whose sum is σ = 180475920. Its totient is φ = 89989152.

The previous prime is 135170311. The next prime is 135170353. The reversal of 135170331 is 133071531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135170331 - 2¹¹ = 135168283 is a prime.

It is a super-2 number, since 2×135170331² = 36542036765299122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135170311) 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 7 ways as a sum of consecutive naturals, for example, 28536 + ... + 32933.

It is an arithmetic number, because the mean of its divisors is an integer number (22559490).

Almost surely, 2^135170331 is an apocalyptic number.

135170331 is a deficient number, since it is larger than the sum of its proper divisors (45305589).

135170331 is an equidigital number, since it uses as much as digits as its factorization.

135170331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62205.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 135170331 is about 11626.2776072138. The cubic root of 135170331 is about 513.2084428938.

The spelling of 135170331 in words is "one hundred thirty-five million, one hundred seventy thousand, three hundred thirty-one".