1439742120764 has 12 divisors (see below), whose sum is σ = 2539387678464. Its totient is φ = 714202784064.

The previous prime is 1439742120763. The next prime is 1439742120787. The reversal of 1439742120764 is 4670212479341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439742120763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417068509 + ... + 1417069524.

It is an arithmetic number, because the mean of its divisors is an integer number (211615639872).

Almost surely, 2^{1439742120764} is an apocalyptic number.

It is an amenable number.

1439742120764 is a deficient number, since it is larger than the sum of its proper divisors (1099645557700).

1439742120764 is a wasteful number, since it uses less digits than its factorization.

1439742120764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834138164 (or 2834138162 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 1439742120764 in words is "one trillion, four hundred thirty-nine billion, seven hundred forty-two million, one hundred twenty thousand, seven hundred sixty-four".