130545191 has 4 divisors (see below), whose sum is σ = 149194512. Its totient is φ = 111895872.

The previous prime is 130545169. The next prime is 130545251. The reversal of 130545191 is 191545031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191545031 = 317 ⋅604243.

It is a cyclic number.

It is not a de Polignac number, because 130545191 - 2¹⁴ = 130528807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130545161) 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, 9324650 + ... + 9324663.

It is an arithmetic number, because the mean of its divisors is an integer number (37298628).

Almost surely, 2^130545191 is an apocalyptic number.

130545191 is a deficient number, since it is larger than the sum of its proper divisors (18649321).

130545191 is an equidigital number, since it uses as much as digits as its factorization.

130545191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18649320.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 130545191 is about 11425.6374439241. The cubic root of 130545191 is about 507.2868750086.

The spelling of 130545191 in words is "one hundred thirty million, five hundred forty-five thousand, one hundred ninety-one".