135155712 has 104 divisors (see below), whose sum is σ = 382159296. Its totient is φ = 42336256.

The previous prime is 135155711. The next prime is 135155717. The reversal of 135155712 is 217551531.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 135155712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135155711) 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, 208573 + ... + 209219.

Almost surely, 2^135155712 is an apocalyptic number.

135155712 is a gapful number since it is divisible by the number (12) 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 135155712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191079648).

135155712 is an abundant number, since it is smaller than the sum of its proper divisors (247003584).

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

135155712 is an equidigital number, since it uses as much as digits as its factorization.

135155712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 669 counting only the distinct ones).

The product of its digits is 5250, while the sum is 30.

The square root of 135155712 is about 11625.6488851160. The cubic root of 135155712 is about 513.1899406464.

The spelling of 135155712 in words is "one hundred thirty-five million, one hundred fifty-five thousand, seven hundred twelve".