133300001320 has 16 divisors (see below), whose sum is σ = 299925003060. Its totient is φ = 53320000512.

The previous prime is 133300001291. The next prime is 133300001321. The reversal of 133300001320 is 23100003331.

It can be written as a sum of positive squares in 2 ways, for example, as 118367650116 + 14932351204 = 344046^2 + 122198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133300001294 and 133300001303.

It is not an unprimeable number, because it can be changed into a prime (133300001321) 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, 1666249977 + ... + 1666250056.

Almost surely, 2^133300001320 is an apocalyptic number.

133300001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133300001320 is an abundant number, since it is smaller than the sum of its proper divisors (166625001740).

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

133300001320 is a wasteful number, since it uses less digits than its factorization.

133300001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332500044 (or 3332500040 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 133300001320 its reverse (23100003331), we get a palindrome (156400004651).

The spelling of 133300001320 in words is "one hundred thirty-three billion, three hundred million, one thousand, three hundred twenty".