133120231232 has 14 divisors (see below), whose sum is σ = 264160458978. Its totient is φ = 66560115584.

The previous prime is 133120231157. The next prime is 133120231247. The reversal of 133120231232 is 232132021331.

It can be written as a sum of positive squares in only one way, i.e., 111727073536 + 21393157696 = 334256^2 + 146264^2 .

It is a super-2 number, since 2×133120231232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133120231198 and 133120231207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040001743 + ... + 1040001870.

Almost surely, 2^133120231232 is an apocalyptic number.

It is an amenable number.

133120231232 is a deficient number, since it is larger than the sum of its proper divisors (131040227746).

133120231232 is an equidigital number, since it uses as much as digits as its factorization.

133120231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080003625 (or 2080003615 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133120231232 its reverse (232132021331), we get a palindrome (365252252563).

The spelling of 133120231232 in words is "one hundred thirty-three billion, one hundred twenty million, two hundred thirty-one thousand, two hundred thirty-two".