1340451302 has 16 divisors (see below), whose sum is σ = 2074559040. Its totient is φ = 649252032.

The previous prime is 1340451269. The next prime is 1340451347. The reversal of 1340451302 is 2031540431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71663 + ... + 88410.

It is an arithmetic number, because the mean of its divisors is an integer number (129659940).

Almost surely, 2^1340451302 is an apocalyptic number.

1340451302 is a deficient number, since it is larger than the sum of its proper divisors (734107738).

1340451302 is a wasteful number, since it uses less digits than its factorization.

1340451302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160207.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1340451302 is about 36612.1742320775. The cubic root of 1340451302 is about 1102.5975258705.

Adding to 1340451302 its reverse (2031540431), we get a palindrome (3371991733).

The spelling of 1340451302 in words is "one billion, three hundred forty million, four hundred fifty-one thousand, three hundred two".