1320133532 has 12 divisors (see below), whose sum is σ = 2313776136. Its totient is φ = 659054640.

The previous prime is 1320133531. The next prime is 1320133537. The reversal of 1320133532 is 2353310231.

It is a junction number, because it is equal to n+sod(n) for n = 1320133498 and 1320133507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320133531) 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, 250094 + ... + 255317.

It is an arithmetic number, because the mean of its divisors is an integer number (192814678).

Almost surely, 2^1320133532 is an apocalyptic number.

It is an amenable number.

1320133532 is a deficient number, since it is larger than the sum of its proper divisors (993642604).

1320133532 is a wasteful number, since it uses less digits than its factorization.

1320133532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506068 (or 506066 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1320133532 is about 36333.6418763658. The cubic root of 1320133532 is about 1096.9982989963.

Adding to 1320133532 its reverse (2353310231), we get a palindrome (3673443763).

The spelling of 1320133532 in words is "one billion, three hundred twenty million, one hundred thirty-three thousand, five hundred thirty-two".