133501013421600 has 144 divisors (see below), whose sum is σ = 474049962298080. Its totient is φ = 32363882035200.

The previous prime is 133501013421599. The next prime is 133501013421701. The reversal of 133501013421600 is 6124310105331.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2528401885 + ... + 2528454684.

It is an arithmetic number, because the mean of its divisors is an integer number (3292013627070).

Almost surely, 2^{133501013421600} is an apocalyptic number.

133501013421600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133501013421600 is an abundant number, since it is smaller than the sum of its proper divisors (340548948876480).

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

133501013421600 is a wasteful number, since it uses less digits than its factorization.

133501013421600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056856603 (or 5056856590 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 133501013421600 its reverse (6124310105331), we get a palindrome (139625323526931).

The spelling of 133501013421600 in words is "one hundred thirty-three trillion, five hundred one billion, thirteen million, four hundred twenty-one thousand, six hundred".