1306849371 has 8 divisors (see below), whose sum is σ = 1749757440. Its totient is φ = 867587112.

The previous prime is 1306849343. The next prime is 1306849399. The reversal of 1306849371 is 1739486031.

It is an interprime number because it is at equal distance from previous prime (1306849343) and next prime (1306849399).

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

It is not a de Polignac number, because 1306849371 - 2⁶ = 1306849307 is a prime.

It is a super-3 number, since 3×1306849371³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1306849331) 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 7 ways as a sum of consecutive naturals, for example, 910615 + ... + 912048.

It is an arithmetic number, because the mean of its divisors is an integer number (218719680).

Almost surely, 2^1306849371 is an apocalyptic number.

1306849371 is a deficient number, since it is larger than the sum of its proper divisors (442908069).

1306849371 is a wasteful number, since it uses less digits than its factorization.

1306849371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822905.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1306849371 is about 36150.3716578405. The cubic root of 1306849371 is about 1093.3062842079.

The spelling of 1306849371 in words is "one billion, three hundred six million, eight hundred forty-nine thousand, three hundred seventy-one".