1314636445 has 4 divisors (see below), whose sum is σ = 1577563740. Its totient is φ = 1051709152.

The previous prime is 1314636431. The next prime is 1314636451. The reversal of 1314636445 is 5446364131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 737339716 + 577296729 = 27154^2 + 24027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314636445 - 2⁷ = 1314636317 is a prime.

It is a congruent number.

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, 131463640 + ... + 131463649.

It is an arithmetic number, because the mean of its divisors is an integer number (394390935).

Almost surely, 2^1314636445 is an apocalyptic number.

It is an amenable number.

1314636445 is a deficient number, since it is larger than the sum of its proper divisors (262927295).

1314636445 is an equidigital number, since it uses as much as digits as its factorization.

1314636445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262927294.

The product of its digits is 103680, while the sum is 37.

The square root of 1314636445 is about 36257.9156185239. The cubic root of 1314636445 is about 1095.4735328808.

The spelling of 1314636445 in words is "one billion, three hundred fourteen million, six hundred thirty-six thousand, four hundred forty-five".