133263700 has 36 divisors (see below), whose sum is σ = 299160540. Its totient is φ = 51466240.

The previous prime is 133263673. The next prime is 133263709. The reversal of 133263700 is 7362331.

It can be written as a sum of positive squares in 6 ways, for example, as 7420176 + 125843524 = 2724^2 + 11218^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133263709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20077 + ... + 25876.

It is an arithmetic number, because the mean of its divisors is an integer number (8310015).

Almost surely, 2^133263700 is an apocalyptic number.

133263700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133263700 is an abundant number, since it is smaller than the sum of its proper divisors (165896840).

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

133263700 is a wasteful number, since it uses less digits than its factorization.

133263700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45996 (or 45989 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 133263700 is about 11543.9897782353. The cubic root of 133263700 is about 510.7840049756.

The spelling of 133263700 in words is "one hundred thirty-three million, two hundred sixty-three thousand, seven hundred".