268130513 has 4 divisors (see below), whose sum is σ = 306434880. Its totient is φ = 229826148.

The previous prime is 268130459. The next prime is 268130531. The reversal of 268130513 is 315031862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268130513 - 2¹⁰ = 268129489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268130543) 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, 19152173 + ... + 19152186.

It is an arithmetic number, because the mean of its divisors is an integer number (76608720).

Almost surely, 2^268130513 is an apocalyptic number.

It is an amenable number.

268130513 is a deficient number, since it is larger than the sum of its proper divisors (38304367).

268130513 is an equidigital number, since it uses as much as digits as its factorization.

268130513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38304366.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 268130513 is about 16374.6912337302. The cubic root of 268130513 is about 644.8352145993.

The spelling of 268130513 in words is "two hundred sixty-eight million, one hundred thirty thousand, five hundred thirteen".