1383268457 has 8 divisors (see below), whose sum is σ = 1456437600. Its totient is φ = 1310135904.

The previous prime is 1383268441. The next prime is 1383268463. The reversal of 1383268457 is 7548623831.

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

It is a cyclic number.

It is not a de Polignac number, because 1383268457 - 2⁴ = 1383268441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383268487) 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, 105269 + ... + 117677.

It is an arithmetic number, because the mean of its divisors is an integer number (182054700).

Almost surely, 2^1383268457 is an apocalyptic number.

It is an amenable number.

1383268457 is a deficient number, since it is larger than the sum of its proper divisors (73169143).

1383268457 is a wasteful number, since it uses less digits than its factorization.

1383268457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18295.

The product of its digits is 967680, while the sum is 47.

The square root of 1383268457 is about 37192.3171770730. The cubic root of 1383268457 is about 1114.2145478726.

The spelling of 1383268457 in words is "one billion, three hundred eighty-three million, two hundred sixty-eight thousand, four hundred fifty-seven".