133250700 has 144 divisors (see below), whose sum is σ = 424972800. Its totient is φ = 31968000.

The previous prime is 133250693. The next prime is 133250701. The reversal of 133250700 is 7052331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133250701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491565 + ... + 491835.

It is an arithmetic number, because the mean of its divisors is an integer number (2951200).

Almost surely, 2^133250700 is an apocalyptic number.

133250700 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 133250700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212486400).

133250700 is an abundant number, since it is smaller than the sum of its proper divisors (291722100).

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

133250700 is a wasteful number, since it uses less digits than its factorization.

133250700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 133250700 is about 11543.4267009411. The cubic root of 133250700 is about 510.7673952812.

The spelling of 133250700 in words is "one hundred thirty-three million, two hundred fifty thousand, seven hundred".