135520050 has 48 divisors (see below), whose sum is σ = 341808480. Its totient is φ = 35523840.

The previous prime is 135520009. The next prime is 135520057. The reversal of 135520050 is 50025531.

135520050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135519999 and 135520026.

It is not an unprimeable number, because it can be changed into a prime (135520057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1194 + ... + 16506.

It is an arithmetic number, because the mean of its divisors is an integer number (7121010).

Almost surely, 2^135520050 is an apocalyptic number.

135520050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135520050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170904240).

135520050 is an abundant number, since it is smaller than the sum of its proper divisors (206288430).

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

135520050 is a wasteful number, since it uses less digits than its factorization.

135520050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387 (or 15382 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 135520050 is about 11641.3079162094. The cubic root of 135520050 is about 513.6506606965.

Adding to 135520050 its reverse (50025531), we get a palindrome (185545581).

The spelling of 135520050 in words is "one hundred thirty-five million, five hundred twenty thousand, fifty".