130779005 has 8 divisors (see below), whose sum is σ = 179354112. Its totient is φ = 89677008.

The previous prime is 130779001. The next prime is 130779007. The reversal of 130779005 is 500977031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130779005 - 2² = 130779001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130779001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868237 + ... + 1868306.

It is an arithmetic number, because the mean of its divisors is an integer number (22419264).

Almost surely, 2^130779005 is an apocalyptic number.

It is an amenable number.

130779005 is a deficient number, since it is larger than the sum of its proper divisors (48575107).

130779005 is an equidigital number, since it uses as much as digits as its factorization.

130779005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736555.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 130779005 is about 11435.8648557947. The cubic root of 130779005 is about 507.5895544356.

The spelling of 130779005 in words is "one hundred thirty million, seven hundred seventy-nine thousand, five".