133013004 has 12 divisors (see below), whose sum is σ = 310363704. Its totient is φ = 44337664.

The previous prime is 133013003. The next prime is 133013009. The reversal of 133013004 is 400310331.

133013004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (133013003) 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, 5542197 + ... + 5542220.

It is an arithmetic number, because the mean of its divisors is an integer number (25863642).

Almost surely, 2^133013004 is an apocalyptic number.

It is an amenable number.

133013004 is an abundant number, since it is smaller than the sum of its proper divisors (177350700).

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

133013004 is a wasteful number, since it uses less digits than its factorization.

133013004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084424 (or 11084422 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133013004 is about 11533.1263757925. The cubic root of 133013004 is about 510.4635078763.

Adding to 133013004 its reverse (400310331), we get a palindrome (533323335).

The spelling of 133013004 in words is "one hundred thirty-three million, thirteen thousand, four".