1390076868 has 48 divisors (see below), whose sum is σ = 3267915840. Its totient is φ = 459888000.

The previous prime is 1390076813. The next prime is 1390076869. The reversal of 1390076868 is 8686700931.

1390076868 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1390076869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067818 + ... + 1069118.

It is an arithmetic number, because the mean of its divisors is an integer number (68081580).

Almost surely, 2^1390076868 is an apocalyptic number.

It is an amenable number.

1390076868 is an abundant number, since it is smaller than the sum of its proper divisors (1877838972).

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

1390076868 is a wasteful number, since it uses less digits than its factorization.

1390076868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1390076868 is about 37283.7346305329. The cubic root of 1390076868 is about 1116.0396017601.

The spelling of 1390076868 in words is "one billion, three hundred ninety million, seventy-six thousand, eight hundred sixty-eight".