133010730 has 24 divisors (see below), whose sum is σ = 345828132. Its totient is φ = 35469504.

The previous prime is 133010723. The next prime is 133010741. The reversal of 133010730 is 37010331.

It can be written as a sum of positive squares in 2 ways, for example, as 131400369 + 1610361 = 11463^2 + 1269^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738859 + ... + 739038.

Almost surely, 2^133010730 is an apocalyptic number.

133010730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133010730 is an abundant number, since it is smaller than the sum of its proper divisors (212817402).

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

133010730 is a wasteful number, since it uses less digits than its factorization.

133010730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477910 (or 1477907 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 133010730 is about 11533.0277897870. The cubic root of 133010730 is about 510.4605988860.

The spelling of 133010730 in words is "one hundred thirty-three million, ten thousand, seven hundred thirty".