135178152 has 32 divisors (see below), whose sum is σ = 357825600. Its totient is φ = 42408704.

The previous prime is 135178151. The next prime is 135178159. The reversal of 135178152 is 251871531.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (135178151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165252 + ... + 166067.

It is an arithmetic number, because the mean of its divisors is an integer number (11182050).

Almost surely, 2^135178152 is an apocalyptic number.

135178152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135178152 is an abundant number, since it is smaller than the sum of its proper divisors (222647448).

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

135178152 is a wasteful number, since it uses less digits than its factorization.

135178152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331345 (or 331341 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

The square root of 135178152 is about 11626.6139524799. The cubic root of 135178152 is about 513.2183408396.

The spelling of 135178152 in words is "one hundred thirty-five million, one hundred seventy-eight thousand, one hundred fifty-two".