130144049 has 12 divisors (see below), whose sum is σ = 153877428. Its totient is φ = 109720800.

The previous prime is 130144043. The next prime is 130144087. The reversal of 130144049 is 940441031.

It can be written as a sum of positive squares in 2 ways, for example, as 8439025 + 121705024 = 2905^2 + 11032^2 .

It is a de Polignac number, because none of the positive numbers 2^k-130144049 is a prime.

It is a super-2 number, since 2×130144049² = 33874946980228802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130144043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18782 + ... + 24759.

It is an arithmetic number, because the mean of its divisors is an integer number (12823119).

Almost surely, 2^130144049 is an apocalyptic number.

It is an amenable number.

130144049 is a deficient number, since it is larger than the sum of its proper divisors (23733379).

130144049 is an equidigital number, since it uses as much as digits as its factorization.

130144049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43616 (or 43609 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130144049 is about 11408.0694685823. The cubic root of 130144049 is about 506.7667413031.

The spelling of 130144049 in words is "one hundred thirty million, one hundred forty-four thousand, forty-nine".