1340002738 has 16 divisors (see below), whose sum is σ = 2071742400. Its totient is φ = 649731600.

The previous prime is 1340002723. The next prime is 1340002777. The reversal of 1340002738 is 8372000431.

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, 68688 + ... + 86011.

It is an arithmetic number, because the mean of its divisors is an integer number (129483900).

Almost surely, 2^1340002738 is an apocalyptic number.

1340002738 is a deficient number, since it is larger than the sum of its proper divisors (731739662).

1340002738 is a wasteful number, since it uses less digits than its factorization.

1340002738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154833.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1340002738 is about 36606.0478336572. The cubic root of 1340002738 is about 1102.4745223381.

The spelling of 1340002738 in words is "one billion, three hundred forty million, two thousand, seven hundred thirty-eight".