1316400548 has 12 divisors (see below), whose sum is σ = 2304793932. Its totient is φ = 657888000.

The previous prime is 1316400499. The next prime is 1316400577. The reversal of 1316400548 is 8450046131.

It can be written as a sum of positive squares in 2 ways, for example, as 543449344 + 772951204 = 23312^2 + 27802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68453 + ... + 85548.

It is an arithmetic number, because the mean of its divisors is an integer number (192066161).

Almost surely, 2^1316400548 is an apocalyptic number.

It is an amenable number.

1316400548 is a deficient number, since it is larger than the sum of its proper divisors (988393384).

1316400548 is a wasteful number, since it uses less digits than its factorization.

1316400548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156142 (or 156140 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1316400548 is about 36282.2346059335. The cubic root of 1316400548 is about 1095.9633170542.

Adding to 1316400548 its reverse (8450046131), we get a palindrome (9766446679).

The spelling of 1316400548 in words is "one billion, three hundred sixteen million, four hundred thousand, five hundred forty-eight".