133403132 has 12 divisors (see below), whose sum is σ = 241505880. Its totient is φ = 64401456.

The previous prime is 133403129. The next prime is 133403143. The reversal of 133403132 is 231304331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574898 + ... + 575129.

It is an arithmetic number, because the mean of its divisors is an integer number (20125490).

Almost surely, 2^133403132 is an apocalyptic number.

It is an amenable number.

133403132 is a deficient number, since it is larger than the sum of its proper divisors (108102748).

133403132 is a wasteful number, since it uses less digits than its factorization.

133403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150060 (or 1150058 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133403132 is about 11550.0273592750. The cubic root of 133403132 is about 510.9620850057.

Adding to 133403132 its reverse (231304331), we get a palindrome (364707463).

The spelling of 133403132 in words is "one hundred thirty-three million, four hundred three thousand, one hundred thirty-two".