135420510160 has 80 divisors (see below), whose sum is σ = 339467272704. Its totient is φ = 49943149056.

The previous prime is 135420510139. The next prime is 135420510163. The reversal of 135420510160 is 61015024531.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135420510163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822079 + ... + 972961.

Almost surely, 2^135420510160 is an apocalyptic number.

135420510160 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 135420510160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169733636352).

135420510160 is an abundant number, since it is smaller than the sum of its proper divisors (204046762544).

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

135420510160 is a wasteful number, since it uses less digits than its factorization.

135420510160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151772 (or 151766 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 135420510160 its reverse (61015024531), we get a palindrome (196435534691).

The spelling of 135420510160 in words is "one hundred thirty-five billion, four hundred twenty million, five hundred ten thousand, one hundred sixty".