1390771876 has 48 divisors (see below), whose sum is σ = 2707556544. Its totient is φ = 621000576.

The previous prime is 1390771871. The next prime is 1390771883. The reversal of 1390771876 is 6781770931.

It is a super-2 number, since 2×1390771876² = 3868492822145118752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1390771871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236346 + ... + 242158.

It is an arithmetic number, because the mean of its divisors is an integer number (56407428).

Almost surely, 2^1390771876 is an apocalyptic number.

It is an amenable number.

1390771876 is a deficient number, since it is larger than the sum of its proper divisors (1316784668).

1390771876 is a wasteful number, since it uses less digits than its factorization.

1390771876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 1390771876 is about 37293.0539913266. The cubic root of 1390771876 is about 1116.2255692259.

The spelling of 1390771876 in words is "one billion, three hundred ninety million, seven hundred seventy-one thousand, eight hundred seventy-six".