130279081 has 8 divisors (see below), whose sum is σ = 134668800. Its totient is φ = 125901120.

The previous prime is 130279069. The next prime is 130279087. The reversal of 130279081 is 180972031.

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 130279081 - 2²³ = 121890473 is a prime.

It is a super-2 number, since 2×130279081² = 33945277892409122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130279087) 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, 23505 + ... + 28513.

It is an arithmetic number, because the mean of its divisors is an integer number (16833600).

Almost surely, 2^130279081 is an apocalyptic number.

It is an amenable number.

130279081 is a deficient number, since it is larger than the sum of its proper divisors (4389719).

130279081 is an equidigital number, since it uses as much as digits as its factorization.

130279081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 130279081 is about 11413.9862011481. The cubic root of 130279081 is about 506.9419473515.

The spelling of 130279081 in words is "one hundred thirty million, two hundred seventy-nine thousand, eighty-one".