135500353420 has 96 divisors (see below), whose sum is σ = 297789307200. Its totient is φ = 51723485184.

The previous prime is 135500353411. The next prime is 135500353447. The reversal of 135500353420 is 24353005531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70830384 + ... + 70832296.

It is an arithmetic number, because the mean of its divisors is an integer number (3101971950).

Almost surely, 2^135500353420 is an apocalyptic number.

135500353420 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 135500353420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148894653600).

135500353420 is an abundant number, since it is smaller than the sum of its proper divisors (162288953780).

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

135500353420 is a wasteful number, since it uses less digits than its factorization.

135500353420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307 (or 3305 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 135500353420 its reverse (24353005531), we get a palindrome (159853358951).

The spelling of 135500353420 in words is "one hundred thirty-five billion, five hundred million, three hundred fifty-three thousand, four hundred twenty".