1331426456 has 16 divisors (see below), whose sum is σ = 2557313640. Its totient is φ = 649476160.

The previous prime is 1331426423. The next prime is 1331426527. The reversal of 1331426456 is 6546241331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029286 + ... + 2029941.

Almost surely, 2^1331426456 is an apocalyptic number.

It is an amenable number.

1331426456 is a deficient number, since it is larger than the sum of its proper divisors (1225887184).

1331426456 is a wasteful number, since it uses less digits than its factorization.

1331426456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059274 (or 4059270 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 1331426456 is about 36488.7168313713. The cubic root of 1331426456 is about 1100.1174684469.

Adding to 1331426456 its reverse (6546241331), we get a palindrome (7877667787).

The spelling of 1331426456 in words is "one billion, three hundred thirty-one million, four hundred twenty-six thousand, four hundred fifty-six".