135177056 has 48 divisors (see below), whose sum is σ = 308722176. Its totient is φ = 57062016.

The previous prime is 135177023. The next prime is 135177067. The reversal of 135177056 is 650771531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10505 + ... + 19511.

It is an arithmetic number, because the mean of its divisors is an integer number (6431712).

Almost surely, 2^135177056 is an apocalyptic number.

135177056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135177056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154361088).

135177056 is an abundant number, since it is smaller than the sum of its proper divisors (173545120).

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

135177056 is an equidigital number, since it uses as much as digits as its factorization.

135177056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091 (or 9083 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 135177056 is about 11626.5668191431. The cubic root of 135177056 is about 513.2169538087.

The spelling of 135177056 in words is "one hundred thirty-five million, one hundred seventy-seven thousand, fifty-six".