1349452657 has 8 divisors (see below), whose sum is σ = 1544777216. Its totient is φ = 1154764512.

The previous prime is 1349452633. The next prime is 1349452693. The reversal of 1349452657 is 7562549431.

It is a happy number.

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-1349452657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341452657) 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, 154548 + ... + 163045.

It is an arithmetic number, because the mean of its divisors is an integer number (193097152).

Almost surely, 2^1349452657 is an apocalyptic number.

It is an amenable number.

1349452657 is a deficient number, since it is larger than the sum of its proper divisors (195324559).

1349452657 is an equidigital number, since it uses as much as digits as its factorization.

1349452657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318207.

The product of its digits is 907200, while the sum is 46.

The square root of 1349452657 is about 36734.8969918251. The cubic root of 1349452657 is about 1105.0600643012.

The spelling of 1349452657 in words is "one billion, three hundred forty-nine million, four hundred fifty-two thousand, six hundred fifty-seven".