1307994792976 has 45 divisors (see below), whose sum is σ = 2554096847869. Its totient is φ = 648912612992.

The previous prime is 1307994792931. The next prime is 1307994793013. The reversal of 1307994792976 is 6792974997031.

The square root of 1307994792976 is 1143676.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 768322371600 + 539672421376 = 876540^2 + 734624^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1307994792899 and 1307994792908.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 626733405 + ... + 626735491.

Almost surely, 2^{1307994792976} is an apocalyptic number.

1307994792976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1307994792976 is the 1143676-th square number.

It is an amenable number.

1307994792976 is a deficient number, since it is larger than the sum of its proper divisors (1246102054893).

1307994792976 is an frugal number, since it uses more digits than its factorization.

1307994792976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 324060912, while the sum is 73.

The spelling of 1307994792976 in words is "one trillion, three hundred seven billion, nine hundred ninety-four million, seven hundred ninety-two thousand, nine hundred seventy-six".