135170154 has 32 divisors (see below), whose sum is σ = 343290240. Its totient is φ = 38619936.

The previous prime is 135170129. The next prime is 135170159. The reversal of 135170154 is 451071531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135170159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178419 + ... + 179174.

It is an arithmetic number, because the mean of its divisors is an integer number (10727820).

Almost surely, 2^135170154 is an apocalyptic number.

135170154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135170154 is an abundant number, since it is smaller than the sum of its proper divisors (208120086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135170154 is a wasteful number, since it uses less digits than its factorization.

135170154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357611 (or 357605 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 135170154 is about 11626.2699951446. The cubic root of 135170154 is about 513.2082188853.

The spelling of 135170154 in words is "one hundred thirty-five million, one hundred seventy thousand, one hundred fifty-four".