1002133400520 has 128 divisors (see below), whose sum is σ = 3637996934400. Its totient is φ = 215584997376.

The previous prime is 1002133400441. The next prime is 1002133400531. The reversal of 1002133400520 is 250043312001.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 35074425 + ... + 35102984.

It is an arithmetic number, because the mean of its divisors is an integer number (28421851050).

Almost surely, 2^{1002133400520} is an apocalyptic number.

1002133400520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002133400520 is an abundant number, since it is smaller than the sum of its proper divisors (2635863533880).

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

1002133400520 is a wasteful number, since it uses less digits than its factorization.

1002133400520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70177447 (or 70177443 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 1002133400520 its reverse (250043312001), we get a palindrome (1252176712521).

The spelling of 1002133400520 in words is "one trillion, two billion, one hundred thirty-three million, four hundred thousand, five hundred twenty".