130135223 has 4 divisors (see below), whose sum is σ = 130213080. Its totient is φ = 130057368.

The previous prime is 130135183. The next prime is 130135231. The reversal of 130135223 is 322531031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130135223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130135195 and 130135204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130135283) 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, 36365 + ... + 39782.

It is an arithmetic number, because the mean of its divisors is an integer number (32553270).

Almost surely, 2^130135223 is an apocalyptic number.

130135223 is a deficient number, since it is larger than the sum of its proper divisors (77857).

130135223 is an equidigital number, since it uses as much as digits as its factorization.

130135223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77856.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 130135223 is about 11407.6826305784. The cubic root of 130135223 is about 506.7552852168.

Adding to 130135223 its reverse (322531031), we get a palindrome (452666254).

The spelling of 130135223 in words is "one hundred thirty million, one hundred thirty-five thousand, two hundred twenty-three".