130745233 has 8 divisors (see below), whose sum is σ = 132374088. Its totient is φ = 129122304.

The previous prime is 130745221. The next prime is 130745243. The reversal of 130745233 is 332547031.

It can be written as a sum of positive squares in 4 ways, for example, as 47789569 + 82955664 = 6913^2 + 9108^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 130745233 - 2⁹ = 130744721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130745203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56385 + ... + 58657.

It is an arithmetic number, because the mean of its divisors is an integer number (16546761).

Almost surely, 2^130745233 is an apocalyptic number.

It is an amenable number.

130745233 is a deficient number, since it is larger than the sum of its proper divisors (1628855).

130745233 is an equidigital number, since it uses as much as digits as its factorization.

130745233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 130745233 is about 11434.3881777732. The cubic root of 130745233 is about 507.5458578442.

The spelling of 130745233 in words is "one hundred thirty million, seven hundred forty-five thousand, two hundred thirty-three".