135625512020 has 24 divisors (see below), whose sum is σ = 285264970368. Its totient is φ = 54164224800.

The previous prime is 135625512013. The next prime is 135625512031. The reversal of 135625512020 is 20215526531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5360816 + ... + 5386055.

It is an arithmetic number, because the mean of its divisors is an integer number (11886040432).

Almost surely, 2^135625512020 is an apocalyptic number.

135625512020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135625512020 is an abundant number, since it is smaller than the sum of its proper divisors (149639458348).

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

135625512020 is a wasteful number, since it uses less digits than its factorization.

135625512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747511 (or 10747509 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 135625512020 in words is "one hundred thirty-five billion, six hundred twenty-five million, five hundred twelve thousand, twenty".