133011332 has 12 divisors (see below), whose sum is σ = 246462300. Its totient is φ = 62593536.

The previous prime is 133011317. The next prime is 133011353. The reversal of 133011332 is 233110331.

It can be written as a sum of positive squares in 2 ways, for example, as 78605956 + 54405376 = 8866^2 + 7376^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 133011332.

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, 977957 + ... + 978092.

It is an arithmetic number, because the mean of its divisors is an integer number (20538525).

Almost surely, 2^133011332 is an apocalyptic number.

It is an amenable number.

133011332 is a deficient number, since it is larger than the sum of its proper divisors (113450968).

133011332 is a wasteful number, since it uses less digits than its factorization.

133011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956070 (or 1956068 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133011332 is about 11533.0538887148. The cubic root of 133011332 is about 510.4613689913.

Adding to 133011332 its reverse (233110331), we get a palindrome (366121663).

The spelling of 133011332 in words is "one hundred thirty-three million, eleven thousand, three hundred thirty-two".