135865344 has 88 divisors (see below), whose sum is σ = 370228608. Its totient is φ = 44277760.

The previous prime is 135865313. The next prime is 135865357. The reversal of 135865344 is 443568531.

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, 143914 + ... + 144854.

Almost surely, 2^135865344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135865344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185114304).

135865344 is an abundant number, since it is smaller than the sum of its proper divisors (234363264).

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

135865344 is an equidigital number, since it uses as much as digits as its factorization.

135865344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 993 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 135865344 is about 11656.1290315439. The cubic root of 135865344 is about 514.0865373331.

The spelling of 135865344 in words is "one hundred thirty-five million, eight hundred sixty-five thousand, three hundred forty-four".