135245020 has 24 divisors (see below), whose sum is σ = 286624800. Its totient is φ = 53600832.

The previous prime is 135245017. The next prime is 135245039. The reversal of 135245020 is 20542531.

135245020 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 = 135244982 and 135245000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28840 + ... + 33199.

It is an arithmetic number, because the mean of its divisors is an integer number (11942700).

Almost surely, 2^135245020 is an apocalyptic number.

135245020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135245020 is an abundant number, since it is smaller than the sum of its proper divisors (151379780).

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

135245020 is a wasteful number, since it uses less digits than its factorization.

135245020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62157 (or 62155 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 135245020 is about 11629.4892407190. The cubic root of 135245020 is about 513.3029507327.

Adding to 135245020 its reverse (20542531), we get a palindrome (155787551).

The spelling of 135245020 in words is "one hundred thirty-five million, two hundred forty-five thousand, twenty".