130208077 has 4 divisors (see below), whose sum is σ = 130230940. Its totient is φ = 130185216.

The previous prime is 130208041. The next prime is 130208081. The reversal of 130208077 is 770802031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 127554436 + 2653641 = 11294^2 + 1629^2 .

It is a cyclic number.

It is not a de Polignac number, because 130208077 - 2⁷ = 130207949 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 (130208677) 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, 4699 + ... + 16807.

It is an arithmetic number, because the mean of its divisors is an integer number (32557735).

Almost surely, 2^130208077 is an apocalyptic number.

It is an amenable number.

130208077 is a deficient number, since it is larger than the sum of its proper divisors (22863).

130208077 is a wasteful number, since it uses less digits than its factorization.

130208077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22862.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 130208077 is about 11410.8753827215. The cubic root of 130208077 is about 506.8498336957.

The spelling of 130208077 in words is "one hundred thirty million, two hundred eight thousand, seventy-seven".