135178964 has 12 divisors (see below), whose sum is σ = 236666304. Its totient is φ = 67560024.

The previous prime is 135178963. The next prime is 135178969. The reversal of 135178964 is 469871531.

It is a super-2 number, since 2×135178964² = 36546704616226592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135178963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429 + ... + 17315.

It is an arithmetic number, because the mean of its divisors is an integer number (19722192).

Almost surely, 2^135178964 is an apocalyptic number.

It is an amenable number.

135178964 is a deficient number, since it is larger than the sum of its proper divisors (101487340).

135178964 is a wasteful number, since it uses less digits than its factorization.

135178964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734 (or 14732 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 135178964 is about 11626.6488723105. The cubic root of 135178964 is about 513.2193684526.

The spelling of 135178964 in words is "one hundred thirty-five million, one hundred seventy-eight thousand, nine hundred sixty-four".