740665556139 has 16 divisors (see below), whose sum is σ = 1021882809600. Its totient is φ = 476621841696.

The previous prime is 740665556119. The next prime is 740665556171. The reversal of 740665556139 is 931655566047.

It is a de Polignac number, because none of the positive numbers 2^k-740665556139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740665556119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 821029 + ... + 1468134.

It is an arithmetic number, because the mean of its divisors is an integer number (63867675600).

Almost surely, 2^740665556139 is an apocalyptic number.

740665556139 is a deficient number, since it is larger than the sum of its proper divisors (281217253461).

740665556139 is a wasteful number, since it uses less digits than its factorization.

740665556139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292914.

The product of its (nonzero) digits is 20412000, while the sum is 57.

The spelling of 740665556139 in words is "seven hundred forty billion, six hundred sixty-five million, five hundred fifty-six thousand, one hundred thirty-nine".