27147720130 has 16 divisors (see below), whose sum is σ = 48914344440. Its totient is φ = 10848321792.

The previous prime is 27147720109. The next prime is 27147720137. The reversal of 27147720130 is 3102774172.

It can be written as a sum of positive squares in 4 ways, for example, as 18790652241 + 8357067889 = 137079^2 + 91417^2 .

It is not an unprimeable number, because it can be changed into a prime (27147720137) 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, 1335189 + ... + 1355368.

Almost surely, 2^27147720130 is an apocalyptic number.

27147720130 is a deficient number, since it is larger than the sum of its proper divisors (21766624310).

27147720130 is a wasteful number, since it uses less digits than its factorization.

27147720130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691573.

The product of its (nonzero) digits is 16464, while the sum is 34.

The spelling of 27147720130 in words is "twenty-seven billion, one hundred forty-seven million, seven hundred twenty thousand, one hundred thirty".