1340014545 has 24 divisors (see below), whose sum is σ = 2459322216. Its totient is φ = 672634368.

The previous prime is 1340014537. The next prime is 1340014567. The reversal of 1340014545 is 5454100431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 709050384 + 630964161 = 26628^2 + 25119^2 .

It is not a de Polignac number, because 1340014545 - 2³ = 1340014537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875062 + ... + 876591.

It is an arithmetic number, because the mean of its divisors is an integer number (102471759).

Almost surely, 2^1340014545 is an apocalyptic number.

1340014545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340014545 is a deficient number, since it is larger than the sum of its proper divisors (1119307671).

1340014545 is a wasteful number, since it uses less digits than its factorization.

1340014545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751681 (or 1751678 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1340014545 is about 36606.2091044675. The cubic root of 1340014545 is about 1102.4777603609.

Adding to 1340014545 its reverse (5454100431), we get a palindrome (6794114976).

The spelling of 1340014545 in words is "one billion, three hundred forty million, fourteen thousand, five hundred forty-five".