1316954945 has 8 divisors (see below), whose sum is σ = 1580553600. Its totient is φ = 1053425520.

The previous prime is 1316954897. The next prime is 1316954957. The reversal of 1316954945 is 5494596131.

It is a happy number.

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

It is not a de Polignac number, because 1316954945 - 2¹⁰ = 1316953921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316954945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44840 + ... + 68150.

It is an arithmetic number, because the mean of its divisors is an integer number (197569200).

Almost surely, 2^1316954945 is an apocalyptic number.

It is an amenable number.

1316954945 is a deficient number, since it is larger than the sum of its proper divisors (263598655).

1316954945 is a wasteful number, since it uses less digits than its factorization.

1316954945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34615.

The product of its digits is 583200, while the sum is 47.

The square root of 1316954945 is about 36289.8738631040. The cubic root of 1316954945 is about 1096.1171490318.

The spelling of 1316954945 in words is "one billion, three hundred sixteen million, nine hundred fifty-four thousand, nine hundred forty-five".