130400751 has 16 divisors (see below), whose sum is σ = 187449696. Its totient is φ = 80157696.

The previous prime is 130400747. The next prime is 130400759. The reversal of 130400751 is 157004031.

It is not a de Polignac number, because 130400751 - 2² = 130400747 is a prime.

It is a super-2 number, since 2×130400751² = 34008711722728002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130400759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59491 + ... + 61643.

It is an arithmetic number, because the mean of its divisors is an integer number (11715606).

Almost surely, 2^130400751 is an apocalyptic number.

130400751 is a deficient number, since it is larger than the sum of its proper divisors (57048945).

130400751 is a wasteful number, since it uses less digits than its factorization.

130400751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 130400751 is about 11419.3148218271. The cubic root of 130400751 is about 507.0997123459.

Adding to 130400751 its reverse (157004031), we get a palindrome (287404782).

The spelling of 130400751 in words is "one hundred thirty million, four hundred thousand, seven hundred fifty-one".