1349739923 has 8 divisors (see below), whose sum is σ = 1571665248. Its totient is φ = 1135090944.

The previous prime is 1349739877. The next prime is 1349739949. The reversal of 1349739923 is 3299379431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349739923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349739823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818686 + ... + 1819427.

It is an arithmetic number, because the mean of its divisors is an integer number (196458156).

Almost surely, 2^1349739923 is an apocalyptic number.

1349739923 is a deficient number, since it is larger than the sum of its proper divisors (221925325).

1349739923 is an equidigital number, since it uses as much as digits as its factorization.

1349739923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638173.

The product of its digits is 1102248, while the sum is 50.

The square root of 1349739923 is about 36738.8067715869. The cubic root of 1349739923 is about 1105.1384723036.

The spelling of 1349739923 in words is "one billion, three hundred forty-nine million, seven hundred thirty-nine thousand, nine hundred twenty-three".