135513923552 has 24 divisors (see below), whose sum is σ = 304906328496. Its totient is φ = 58077395712.

The previous prime is 135513923551. The next prime is 135513923557. The reversal of 135513923552 is 255329315531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135513923551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302486213 + ... + 302486660.

It is an arithmetic number, because the mean of its divisors is an integer number (12704430354).

Almost surely, 2^135513923552 is an apocalyptic number.

It is an amenable number.

135513923552 is an abundant number, since it is smaller than the sum of its proper divisors (169392404944).

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

135513923552 is an equidigital number, since it uses as much as digits as its factorization.

135513923552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604972890 (or 604972882 counting only the distinct ones).

The product of its digits is 607500, while the sum is 44.

The spelling of 135513923552 in words is "one hundred thirty-five billion, five hundred thirteen million, nine hundred twenty-three thousand, five hundred fifty-two".