133747104 has 48 divisors (see below), whose sum is σ = 352900800. Its totient is φ = 44352000.

The previous prime is 133747087. The next prime is 133747121. The reversal of 133747104 is 401747331.

It is an interprime number because it is at equal distance from previous prime (133747087) and next prime (133747121).

It is a tau number, because it is divible by the number of its divisors (48).

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, 15604 + ... + 22604.

It is an arithmetic number, because the mean of its divisors is an integer number (7352100).

Almost surely, 2^133747104 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 133747104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176450400).

133747104 is an abundant number, since it is smaller than the sum of its proper divisors (219153696).

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

133747104 is a wasteful number, since it uses less digits than its factorization.

133747104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213 (or 7205 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 133747104 is about 11564.9083005444. The cubic root of 133747104 is about 511.4008698237.

The spelling of 133747104 in words is "one hundred thirty-three million, seven hundred forty-seven thousand, one hundred four".