1316743942 has 16 divisors (see below), whose sum is σ = 2106352080. Its totient is φ = 615184128.

The previous prime is 1316743933. The next prime is 1316743943. The reversal of 1316743942 is 2493476131.

It is a junction number, because it is equal to n+sod(n) for n = 1316743895 and 1316743904.

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 7 ways as a sum of consecutive naturals, for example, 134583 + ... + 144034.

It is an arithmetic number, because the mean of its divisors is an integer number (131647005).

Almost surely, 2^1316743942 is an apocalyptic number.

1316743942 is a deficient number, since it is larger than the sum of its proper divisors (789608138).

1316743942 is a wasteful number, since it uses less digits than its factorization.

1316743942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278775.

The product of its digits is 108864, while the sum is 40.

The square root of 1316743942 is about 36286.9665582561. The cubic root of 1316743942 is about 1096.0586058091.

The spelling of 1316743942 in words is "one billion, three hundred sixteen million, seven hundred forty-three thousand, nine hundred forty-two".