130648391 has 16 divisors (see below), whose sum is σ = 136733184. Its totient is φ = 124747584.

The previous prime is 130648367. The next prime is 130648403. The reversal of 130648391 is 193846031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130648391 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 (130648321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417251 + ... + 417563.

It is an arithmetic number, because the mean of its divisors is an integer number (8545824).

Almost surely, 2^130648391 is an apocalyptic number.

130648391 is a deficient number, since it is larger than the sum of its proper divisors (6084793).

130648391 is a wasteful number, since it uses less digits than its factorization.

130648391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 130648391 is about 11430.1527111408. The cubic root of 130648391 is about 507.4205151063.

The spelling of 130648391 in words is "one hundred thirty million, six hundred forty-eight thousand, three hundred ninety-one".