133376004 has 48 divisors (see below), whose sum is σ = 347751040. Its totient is φ = 44206560.

The previous prime is 133376003. The next prime is 133376021. The reversal of 133376004 is 400673331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133376003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16137 + ... + 22959.

Almost surely, 2^133376004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133376004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173875520).

133376004 is an abundant number, since it is smaller than the sum of its proper divisors (214375036).

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

133376004 is a wasteful number, since it uses less digits than its factorization.

133376004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017 (or 7009 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 133376004 is about 11548.8529300533. The cubic root of 133376004 is about 510.9274473403.

The spelling of 133376004 in words is "one hundred thirty-three million, three hundred seventy-six thousand, four".