1316743941 has 12 divisors (see below), whose sum is σ = 1814123616. Its totient is φ = 849510360.

The previous prime is 1316743933. The next prime is 1316743943. The reversal of 1316743941 is 1493476131.

It is a happy number.

It is not a de Polignac number, because 1316743941 - 2³ = 1316743933 is a prime.

It is a super-2 number, since 2×1316743941² = 3467629212320422962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1316743941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316743943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225481 + ... + 231246.

It is an arithmetic number, because the mean of its divisors is an integer number (151176968).

Almost surely, 2^1316743941 is an apocalyptic number.

It is an amenable number.

1316743941 is a deficient number, since it is larger than the sum of its proper divisors (497379675).

1316743941 is an equidigital number, since it uses as much as digits as its factorization.

1316743941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456792 (or 456761 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 1316743941 is about 36286.9665444771. The cubic root of 1316743941 is about 1096.0586055316.

The spelling of 1316743941 in words is "one billion, three hundred sixteen million, seven hundred forty-three thousand, nine hundred forty-one".