130632751 has 4 divisors (see below), whose sum is σ = 131053104. Its totient is φ = 130212400.

The previous prime is 130632739. The next prime is 130632763. The reversal of 130632751 is 157236031.

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

It is an interprime number because it is at equal distance from previous prime (130632739) and next prime (130632763).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130632751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130632701) 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, 209710 + ... + 210331.

It is an arithmetic number, because the mean of its divisors is an integer number (32763276).

Almost surely, 2^130632751 is an apocalyptic number.

130632751 is a deficient number, since it is larger than the sum of its proper divisors (420353).

130632751 is an equidigital number, since it uses as much as digits as its factorization.

130632751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420352.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 130632751 is about 11429.4685353257. The cubic root of 130632751 is about 507.4002664234.

Adding to 130632751 its reverse (157236031), we get a palindrome (287868782).

The spelling of 130632751 in words is "one hundred thirty million, six hundred thirty-two thousand, seven hundred fifty-one".