130333751 has 4 divisors (see below), whose sum is σ = 130674432. Its totient is φ = 129993072.

The previous prime is 130333741. The next prime is 130333769. The reversal of 130333751 is 157333031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130333751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130333751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130333741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169766 + ... + 170531.

It is an arithmetic number, because the mean of its divisors is an integer number (32668608).

Almost surely, 2^130333751 is an apocalyptic number.

130333751 is a deficient number, since it is larger than the sum of its proper divisors (340681).

130333751 is an equidigital number, since it uses as much as digits as its factorization.

130333751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340680.

The product of its (nonzero) digits is 2835, while the sum is 26.

The square root of 130333751 is about 11416.3808188059. The cubic root of 130333751 is about 507.0128480678.

Adding to 130333751 its reverse (157333031), we get a palindrome (287666782).

The spelling of 130333751 in words is "one hundred thirty million, three hundred thirty-three thousand, seven hundred fifty-one".