130077566 has 4 divisors (see below), whose sum is σ = 195116352. Its totient is φ = 65038782.

The previous prime is 130077503. The next prime is 130077569. The reversal of 130077566 is 665770031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665770031 = 17 ⋅39162943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130077569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32519390 + ... + 32519393.

It is an arithmetic number, because the mean of its divisors is an integer number (48779088).

Almost surely, 2^130077566 is an apocalyptic number.

130077566 is a deficient number, since it is larger than the sum of its proper divisors (65038786).

130077566 is an equidigital number, since it uses as much as digits as its factorization.

130077566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65038785.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 130077566 is about 11405.1552378738. The cubic root of 130077566 is about 506.6804340865.

The spelling of 130077566 in words is "one hundred thirty million, seventy-seven thousand, five hundred sixty-six".