130681279 has 4 divisors (see below), whose sum is σ = 135187560. Its totient is φ = 126175000.

The previous prime is 130681253. The next prime is 130681301. The reversal of 130681279 is 972186031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972186031 = 71 ⋅13692761.

It is a cyclic number.

It is not a de Polignac number, because 130681279 - 2²³ = 122292671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130681249) 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, 2253097 + ... + 2253154.

It is an arithmetic number, because the mean of its divisors is an integer number (33796890).

Almost surely, 2^130681279 is an apocalyptic number.

130681279 is a deficient number, since it is larger than the sum of its proper divisors (4506281).

130681279 is an equidigital number, since it uses as much as digits as its factorization.

130681279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506280.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 130681279 is about 11431.5912715597. The cubic root of 130681279 is about 507.4630890349.

The spelling of 130681279 in words is "one hundred thirty million, six hundred eighty-one thousand, two hundred seventy-nine".