1349456128 has 18 divisors (see below), whose sum is σ = 2693641454. Its totient is φ = 674727936.

The previous prime is 1349456113. The next prime is 1349456137. The reversal of 1349456128 is 8216549431.

It can be written as a sum of positive squares in only one way, i.e., 1298305024 + 51151104 = 36032^2 + 7152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635401 + ... + 2635912.

Almost surely, 2^1349456128 is an apocalyptic number.

It is an amenable number.

1349456128 is a deficient number, since it is larger than the sum of its proper divisors (1344185326).

1349456128 is an frugal number, since it uses more digits than its factorization.

1349456128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271329 (or 5271315 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 1349456128 is about 36734.9442357002. The cubic root of 1349456128 is about 1105.0610117619.

The spelling of 1349456128 in words is "one billion, three hundred forty-nine million, four hundred fifty-six thousand, one hundred twenty-eight".