1376143764 has 12 divisors (see below), whose sum is σ = 3211002144. Its totient is φ = 458714584.

The previous prime is 1376143763. The next prime is 1376143777. The reversal of 1376143764 is 4673416731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376143763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57339312 + ... + 57339335.

It is an arithmetic number, because the mean of its divisors is an integer number (267583512).

Almost surely, 2^1376143764 is an apocalyptic number.

It is an amenable number.

1376143764 is an abundant number, since it is smaller than the sum of its proper divisors (1834858380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1376143764 is a wasteful number, since it uses less digits than its factorization.

1376143764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114678654 (or 114678652 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 1376143764 is about 37096.4117402209. The cubic root of 1376143764 is about 1112.2982881187.

The spelling of 1376143764 in words is "one billion, three hundred seventy-six million, one hundred forty-three thousand, seven hundred sixty-four".