1349913238 has 4 divisors (see below), whose sum is σ = 2024869860. Its totient is φ = 674956618.

The previous prime is 1349913209. The next prime is 1349913247. The reversal of 1349913238 is 8323199431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8323199431 = 71 ⋅117228161.

It is a junction number, because it is equal to n+sod(n) for n = 1349913194 and 1349913203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337478308 + ... + 337478311.

It is an arithmetic number, because the mean of its divisors is an integer number (506217465).

Almost surely, 2^1349913238 is an apocalyptic number.

1349913238 is a deficient number, since it is larger than the sum of its proper divisors (674956622).

1349913238 is an equidigital number, since it uses as much as digits as its factorization.

1349913238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674956621.

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

The square root of 1349913238 is about 36741.1654415044. The cubic root of 1349913238 is about 1105.1857724967.

The spelling of 1349913238 in words is "one billion, three hundred forty-nine million, nine hundred thirteen thousand, two hundred thirty-eight".