133915130 has 16 divisors (see below), whose sum is σ = 244999944. Its totient is φ = 52687680.

The previous prime is 133915123. The next prime is 133915147. The reversal of 133915130 is 31519331.

It can be written as a sum of positive squares in 4 ways, for example, as 108139201 + 25775929 = 10399^2 + 5077^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133915130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109157 + ... + 110376.

Almost surely, 2^133915130 is an apocalyptic number.

133915130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133915130 is a deficient number, since it is larger than the sum of its proper divisors (111084814).

133915130 is a wasteful number, since it uses less digits than its factorization.

133915130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219601.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 133915130 is about 11572.1704964972. The cubic root of 133915130 is about 511.6149372218.

The spelling of 133915130 in words is "one hundred thirty-three million, nine hundred fifteen thousand, one hundred thirty".