135502004541020 has 24 divisors (see below), whose sum is σ = 306442994885664. Its totient is φ = 50031509368896.

The previous prime is 135502004540923. The next prime is 135502004541031. The reversal of 135502004541020 is 20145400205531.

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, 260580777704 + ... + 260580778223.

It is an arithmetic number, because the mean of its divisors is an integer number (12768458120236).

Almost surely, 2^{135502004541020} is an apocalyptic number.

135502004541020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135502004541020 is an abundant number, since it is smaller than the sum of its proper divisors (170940990344644).

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

135502004541020 is a wasteful number, since it uses less digits than its factorization.

135502004541020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521161555949 (or 521161555947 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 135502004541020 its reverse (20145400205531), we get a palindrome (155647404746551).

The spelling of 135502004541020 in words is "one hundred thirty-five trillion, five hundred two billion, four million, five hundred forty-one thousand, twenty".