135512553000 has 128 divisors (see below), whose sum is σ = 461235565440. Its totient is φ = 32851520000.

The previous prime is 135512552953. The next prime is 135512553041. The reversal of 135512553000 is 355215531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2020221 + ... + 2086220.

It is an arithmetic number, because the mean of its divisors is an integer number (3603402855).

Almost surely, 2^135512553000 is an apocalyptic number.

135512553000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135512553000 is an abundant number, since it is smaller than the sum of its proper divisors (325723012440).

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

135512553000 is a wasteful number, since it uses less digits than its factorization.

135512553000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106476 (or 4106462 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 135512553000 its reverse (355215531), we get a palindrome (135867768531).

The spelling of 135512553000 in words is "one hundred thirty-five billion, five hundred twelve million, five hundred fifty-three thousand".