1312390076 has 6 divisors (see below), whose sum is σ = 2296682640. Its totient is φ = 656195036.

The previous prime is 1312390067. The next prime is 1312390091. The reversal of 1312390076 is 6700932131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164048756 + ... + 164048763.

It is an arithmetic number, because the mean of its divisors is an integer number (382780440).

Almost surely, 2^1312390076 is an apocalyptic number.

It is an amenable number.

1312390076 is a deficient number, since it is larger than the sum of its proper divisors (984292564).

1312390076 is a wasteful number, since it uses less digits than its factorization.

1312390076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328097523 (or 328097521 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1312390076 is about 36226.9247383766. The cubic root of 1312390076 is about 1094.8492181337.

The spelling of 1312390076 in words is "one billion, three hundred twelve million, three hundred ninety thousand, seventy-six".