133609130 has 8 divisors (see below), whose sum is σ = 240496452. Its totient is φ = 53443648.

The previous prime is 133609123. The next prime is 133609141. The reversal of 133609130 is 31906331.

It can be written as a sum of positive squares in 2 ways, for example, as 130256569 + 3352561 = 11413^2 + 1831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133609130.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680447 + ... + 6680466.

Almost surely, 2^133609130 is an apocalyptic number.

133609130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133609130 is a deficient number, since it is larger than the sum of its proper divisors (106887322).

133609130 is a wasteful number, since it uses less digits than its factorization.

133609130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360920.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 133609130 is about 11558.9415605409. The cubic root of 133609130 is about 511.2249549845.

The spelling of 133609130 in words is "one hundred thirty-three million, six hundred nine thousand, one hundred thirty".