1316643141 has 32 divisors (see below), whose sum is σ = 1943479296. Its totient is φ = 786240000.

The previous prime is 1316643137. The next prime is 1316643143. The reversal of 1316643141 is 1413466131.

It is not a de Polignac number, because 1316643141 - 2² = 1316643137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316643099 and 1316643108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316643143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651765 + ... + 653781.

It is an arithmetic number, because the mean of its divisors is an integer number (60733728).

Almost surely, 2^1316643141 is an apocalyptic number.

1316643141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1316643141 is a deficient number, since it is larger than the sum of its proper divisors (626836155).

1316643141 is a wasteful number, since it uses less digits than its factorization.

1316643141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its digits is 5184, while the sum is 30.

The square root of 1316643141 is about 36285.5775894501. The cubic root of 1316643141 is about 1096.0306361537.

The spelling of 1316643141 in words is "one billion, three hundred sixteen million, six hundred forty-three thousand, one hundred forty-one".