130847771 has 4 divisors (see below), whose sum is σ = 130896792. Its totient is φ = 130798752.

The previous prime is 130847767. The next prime is 130847791. The reversal of 130847771 is 177748031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177748031 = 47 ⋅3781873.

It is a cyclic number.

It is not a de Polignac number, because 130847771 - 2² = 130847767 is a prime.

It is a super-2 number, since 2×130847771² = 34242278351336882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130847791) 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, 20261 + ... + 25926.

It is an arithmetic number, because the mean of its divisors is an integer number (32724198).

Almost surely, 2^130847771 is an apocalyptic number.

130847771 is a deficient number, since it is larger than the sum of its proper divisors (49021).

130847771 is an equidigital number, since it uses as much as digits as its factorization.

130847771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49020.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 130847771 is about 11438.8710544354. The cubic root of 130847771 is about 507.6785054799.

The spelling of 130847771 in words is "one hundred thirty million, eight hundred forty-seven thousand, seven hundred seventy-one".