135334420 has 48 divisors (see below), whose sum is σ = 307535760. Its totient is φ = 49729536.

The previous prime is 135334411. The next prime is 135334427. The reversal of 135334420 is 24433531.

It can be written as a sum of positive squares in 8 ways, for example, as 6330256 + 129004164 = 2516^2 + 11358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135334427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58404 + ... + 60676.

It is an arithmetic number, because the mean of its divisors is an integer number (6406995).

Almost surely, 2^135334420 is an apocalyptic number.

135334420 is a gapful number since it is divisible by the number (10) 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 135334420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153767880).

135334420 is an abundant number, since it is smaller than the sum of its proper divisors (172201340).

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

135334420 is a wasteful number, since it uses less digits than its factorization.

135334420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 135334420 is about 11633.3322827125. The cubic root of 135334420 is about 513.4160274193.

Adding to 135334420 its reverse (24433531), we get a palindrome (159767951).

The spelling of 135334420 in words is "one hundred thirty-five million, three hundred thirty-four thousand, four hundred twenty".