1314742989 has 16 divisors (see below), whose sum is σ = 2019196928. Its totient is φ = 745364592.

The previous prime is 1314742987. The next prime is 1314742999. The reversal of 1314742989 is 9892474131.

It is not a de Polignac number, because 1314742989 - 2¹ = 1314742987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314742987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 243817 + ... + 249150.

It is an arithmetic number, because the mean of its divisors is an integer number (126199808).

Almost surely, 2^1314742989 is an apocalyptic number.

It is an amenable number.

1314742989 is a deficient number, since it is larger than the sum of its proper divisors (704453939).

1314742989 is a wasteful number, since it uses less digits than its factorization.

1314742989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493104.

The product of its digits is 435456, while the sum is 48.

The square root of 1314742989 is about 36259.3848403417. The cubic root of 1314742989 is about 1095.5031261014.

The spelling of 1314742989 in words is "one billion, three hundred fourteen million, seven hundred forty-two thousand, nine hundred eighty-nine".