135012178 has 32 divisors (see below), whose sum is σ = 237168000. Its totient is φ = 56448384.

The previous prime is 135012173. The next prime is 135012179. The reversal of 135012178 is 871210531.

It is not an unprimeable number, because it can be changed into a prime (135012173) 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 15 ways as a sum of consecutive naturals, for example, 122526 + ... + 123622.

It is an arithmetic number, because the mean of its divisors is an integer number (7411500).

Almost surely, 2^135012178 is an apocalyptic number.

135012178 is a deficient number, since it is larger than the sum of its proper divisors (102155822).

135012178 is a wasteful number, since it uses less digits than its factorization.

135012178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 135012178 is about 11619.4740844842. The cubic root of 135012178 is about 513.0082087889.

The spelling of 135012178 in words is "one hundred thirty-five million, twelve thousand, one hundred seventy-eight".