1306409286 has 48 divisors (see below), whose sum is σ = 3273210864. Its totient is φ = 344546496.

The previous prime is 1306409263. The next prime is 1306409287. The reversal of 1306409286 is 6829046031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306409287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167085 + ... + 174728.

It is an arithmetic number, because the mean of its divisors is an integer number (68191893).

Almost surely, 2^1306409286 is an apocalyptic number.

1306409286 is an abundant number, since it is smaller than the sum of its proper divisors (1966801578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306409286 is a wasteful number, since it uses less digits than its factorization.

1306409286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341845 (or 341838 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1306409286 is about 36144.2842784305. The cubic root of 1306409286 is about 1093.1835458302.

The spelling of 1306409286 in words is "one billion, three hundred six million, four hundred nine thousand, two hundred eighty-six".