133163044 has 24 divisors (see below), whose sum is σ = 267108800. Its totient is φ = 56902176.

The previous prime is 133163029. The next prime is 133163071. The reversal of 133163044 is 440361331.

It is a happy number.

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, 2959 + ... + 16585.

Almost surely, 2^133163044 is an apocalyptic number.

133163044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133163044 is an abundant number, since it is smaller than the sum of its proper divisors (133945756).

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

133163044 is a wasteful number, since it uses less digits than its factorization.

133163044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987 (or 13985 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 133163044 is about 11539.6292834735. The cubic root of 133163044 is about 510.6553717352.

The spelling of 133163044 in words is "one hundred thirty-three million, one hundred sixty-three thousand, forty-four".