1316435456 has 40 divisors (see below), whose sum is σ = 3006065040. Its totient is φ = 564185088.

The previous prime is 1316435441. The next prime is 1316435459. The reversal of 1316435456 is 6545346131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316435459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180071 + ... + 187238.

It is an arithmetic number, because the mean of its divisors is an integer number (75151626).

Almost surely, 2^1316435456 is an apocalyptic number.

1316435456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1316435456 is an abundant number, since it is smaller than the sum of its proper divisors (1689629584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316435456 is an frugal number, since it uses more digits than its factorization.

1316435456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367334 (or 367318 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 1316435456 is about 36282.7156646247. The cubic root of 1316435456 is about 1095.9730044677.

The spelling of 1316435456 in words is "one billion, three hundred sixteen million, four hundred thirty-five thousand, four hundred fifty-six".