135425536 has 40 divisors (see below), whose sum is σ = 286521840. Its totient is φ = 63725568.

The previous prime is 135425527. The next prime is 135425557. The reversal of 135425536 is 635524531.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (7163046).

Almost surely, 2^135425536 is an apocalyptic number.

135425536 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 135425536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143260920).

135425536 is an abundant number, since it is smaller than the sum of its proper divisors (151096304).

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

135425536 is an equidigital number, since it uses as much as digits as its factorization.

135425536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594 (or 15578 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 135425536 is about 11637.2477845924. The cubic root of 135425536 is about 513.5312233419.

The spelling of 135425536 in words is "one hundred thirty-five million, four hundred twenty-five thousand, five hundred thirty-six".