135287170 has 16 divisors (see below), whose sum is σ = 250099128. Its totient is φ = 52652160.

The previous prime is 135287143. The next prime is 135287221. The reversal of 135287170 is 71782531.

It can be written as a sum of positive squares in 4 ways, for example, as 133010089 + 2277081 = 11533^2 + 1509^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182451 + ... + 183190.

Almost surely, 2^135287170 is an apocalyptic number.

135287170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135287170 is a deficient number, since it is larger than the sum of its proper divisors (114811958).

135287170 is a wasteful number, since it uses less digits than its factorization.

135287170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365685.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 135287170 is about 11631.3013029497. The cubic root of 135287170 is about 513.3562699408.

The spelling of 135287170 in words is "one hundred thirty-five million, two hundred eighty-seven thousand, one hundred seventy".