133147000 has 128 divisors (see below), whose sum is σ = 372003840. Its totient is φ = 43612800.

The previous prime is 133146989. The next prime is 133147019. The reversal of 133147000 is 741331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160587 + ... + 161413.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 2^133147000 is an apocalyptic number.

133147000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133147000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186001920).

133147000 is an abundant number, since it is smaller than the sum of its proper divisors (238856840).

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

133147000 is a wasteful number, since it uses less digits than its factorization.

133147000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 133147000 is about 11538.9340928874. The cubic root of 133147000 is about 510.6348623316.

Adding to 133147000 its reverse (741331), we get a palindrome (133888331).

The spelling of 133147000 in words is "one hundred thirty-three million, one hundred forty-seven thousand".