133132044 has 24 divisors (see below), whose sum is σ = 311160640. Its totient is φ = 44303184.

The previous prime is 133132037. The next prime is 133132057. The reversal of 133132044 is 440231331.

It is a super-2 number, since 2×133132044² = 35448282279235872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133132044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534 + ... + 16389.

Almost surely, 2^133132044 is an apocalyptic number.

It is an amenable number.

133132044 is an abundant number, since it is smaller than the sum of its proper divisors (178028596).

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

133132044 is a wasteful number, since it uses less digits than its factorization.

133132044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549 (or 18547 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133132044 is about 11538.2860078956. The cubic root of 133132044 is about 510.6157422589.

Adding to 133132044 its reverse (440231331), we get a palindrome (573363375).

The spelling of 133132044 in words is "one hundred thirty-three million, one hundred thirty-two thousand, forty-four".