1306964149 has 4 divisors (see below), whose sum is σ = 1307142880. Its totient is φ = 1306785420.

The previous prime is 1306964147. The next prime is 1306964171. The reversal of 1306964149 is 9414696031.

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 1306964149 - 2¹ = 1306964147 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 (1306964147) 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 3 ways as a sum of consecutive naturals, for example, 77907 + ... + 93184.

It is an arithmetic number, because the mean of its divisors is an integer number (326785720).

Almost surely, 2^1306964149 is an apocalyptic number.

It is an amenable number.

1306964149 is a deficient number, since it is larger than the sum of its proper divisors (178731).

1306964149 is an equidigital number, since it uses as much as digits as its factorization.

1306964149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178730.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1306964149 is about 36151.9591308687. The cubic root of 1306964149 is about 1093.3382909150.

The spelling of 1306964149 in words is "one billion, three hundred six million, nine hundred sixty-four thousand, one hundred forty-nine".