133355400520 has 16 divisors (see below), whose sum is σ = 300049651260. Its totient is φ = 53342160192.

The previous prime is 133355400487. The next prime is 133355400547. The reversal of 133355400520 is 25004553331.

133355400520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123382182564 + 9973217956 = 351258^2 + 99866^2 .

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 3 ways as a sum of consecutive naturals, for example, 1666942467 + ... + 1666942546.

Almost surely, 2^133355400520 is an apocalyptic number.

133355400520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133355400520 is an abundant number, since it is smaller than the sum of its proper divisors (166694250740).

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

133355400520 is a wasteful number, since it uses less digits than its factorization.

133355400520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333885024 (or 3333885020 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 133355400520 its reverse (25004553331), we get a palindrome (158359953851).

The spelling of 133355400520 in words is "one hundred thirty-three billion, three hundred fifty-five million, four hundred thousand, five hundred twenty".