130045771 has 4 divisors (see below), whose sum is σ = 131692000. Its totient is φ = 128399544.

The previous prime is 130045723. The next prime is 130045781. The reversal of 130045771 is 177540031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177540031 = 127 ⋅1397953.

It is a cyclic number.

It is not a de Polignac number, because 130045771 - 2¹¹ = 130043723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130045781) 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, 822996 + ... + 823153.

It is an arithmetic number, because the mean of its divisors is an integer number (32923000).

Almost surely, 2^130045771 is an apocalyptic number.

130045771 is a deficient number, since it is larger than the sum of its proper divisors (1646229).

130045771 is an equidigital number, since it uses as much as digits as its factorization.

130045771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646228.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 130045771 is about 11403.7612654773. The cubic root of 130045771 is about 506.6391479071.

It can be divided in two parts, 130045 and 771, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 130045771 in words is "one hundred thirty million, forty-five thousand, seven hundred seventy-one".