1349383971 has 32 divisors (see below), whose sum is σ = 2055271680. Its totient is φ = 780624000.

The previous prime is 1349383967. The next prime is 1349383991. The reversal of 1349383971 is 1793839431.

It is a happy number.

It is not a de Polignac number, because 1349383971 - 2² = 1349383967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1349383971.

It is not an unprimeable number, because it can be changed into a prime (1349383901) 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 31 ways as a sum of consecutive naturals, for example, 90121 + ... + 104021.

It is an arithmetic number, because the mean of its divisors is an integer number (64227240).

Almost surely, 2^1349383971 is an apocalyptic number.

1349383971 is a deficient number, since it is larger than the sum of its proper divisors (705887709).

1349383971 is a wasteful number, since it uses less digits than its factorization.

1349383971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14067.

The product of its digits is 489888, while the sum is 48.

The square root of 1349383971 is about 36733.9620923200. The cubic root of 1349383971 is about 1105.0413151086.

The spelling of 1349383971 in words is "one billion, three hundred forty-nine million, three hundred eighty-three thousand, nine hundred seventy-one".