1306426210 has 8 divisors (see below), whose sum is σ = 2351567196. Its totient is φ = 522570480.

The previous prime is 1306426193. The next prime is 1306426271. The reversal of 1306426210 is 126246031.

It can be written as a sum of positive squares in 2 ways, for example, as 1296648081 + 9778129 = 36009^2 + 3127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65321301 + ... + 65321320.

Almost surely, 2^1306426210 is an apocalyptic number.

1306426210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306426210 is a deficient number, since it is larger than the sum of its proper divisors (1045140986).

1306426210 is a wasteful number, since it uses less digits than its factorization.

1306426210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130642628.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1306426210 is about 36144.5183949102. The cubic root of 1306426210 is about 1093.1882663922.

The spelling of 1306426210 in words is "one billion, three hundred six million, four hundred twenty-six thousand, two hundred ten".