130757949 has 16 divisors (see below), whose sum is σ = 221389440. Its totient is φ = 74718720.

The previous prime is 130757947. The next prime is 130757987. The reversal of 130757949 is 949757031.

130757949 is a `hidden beast` number, since 1 + 30 + 7 + 579 + 49 = 666.

It is not a de Polignac number, because 130757949 - 2¹ = 130757947 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130757947) 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, 345732 + ... + 346109.

It is an arithmetic number, because the mean of its divisors is an integer number (13836840).

Almost surely, 2^130757949 is an apocalyptic number.

It is an amenable number.

130757949 is a deficient number, since it is larger than the sum of its proper divisors (90631491).

130757949 is an equidigital number, since it uses as much as digits as its factorization.

130757949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691857 (or 691851 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 130757949 is about 11434.9442062478. The cubic root of 130757949 is about 507.5623115835.

The spelling of 130757949 in words is "one hundred thirty million, seven hundred fifty-seven thousand, nine hundred forty-nine".