1377638765014 has 16 divisors (see below), whose sum is σ = 2068537318848. Its totient is φ = 688126672512.

The previous prime is 1377638765011. The next prime is 1377638765039. The reversal of 1377638765014 is 4105678367731.

It is a super-2 number, since 2×1377638765014² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1377638765014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377638765011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8043252 + ... + 8212744.

It is an arithmetic number, because the mean of its divisors is an integer number (129283582428).

Almost surely, 2^{1377638765014} is an apocalyptic number.

1377638765014 is a deficient number, since it is larger than the sum of its proper divisors (690898553834).

1377638765014 is a wasteful number, since it uses less digits than its factorization.

1377638765014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173559.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 1377638765014 in words is "one trillion, three hundred seventy-seven billion, six hundred thirty-eight million, seven hundred sixty-five thousand, fourteen".