1349057803 has 4 divisors (see below), whose sum is σ = 1351333368. Its totient is φ = 1346782240.

The previous prime is 1349057789. The next prime is 1349057807. The reversal of 1349057803 is 3087509431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3087509431 = 881 ⋅3504551.

It is a cyclic number.

It is not a de Polignac number, because 1349057803 - 2²⁹ = 812186891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349057807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136893 + ... + 1138078.

It is an arithmetic number, because the mean of its divisors is an integer number (337833342).

Almost surely, 2^1349057803 is an apocalyptic number.

1349057803 is a deficient number, since it is larger than the sum of its proper divisors (2275565).

1349057803 is an equidigital number, since it uses as much as digits as its factorization.

1349057803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275564.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1349057803 is about 36729.5222266775. The cubic root of 1349057803 is about 1104.9522724620.

The spelling of 1349057803 in words is "one billion, three hundred forty-nine million, fifty-seven thousand, eight hundred three".