1308077521396 has 12 divisors (see below), whose sum is σ = 2289144652452. Its totient is φ = 654036192128.

The previous prime is 1308077521357. The next prime is 1308077521427. The reversal of 1308077521396 is 6931257708031.

It can be written as a sum of positive squares in 2 ways, for example, as 409779219600 + 898298301796 = 640140^2 + 947786^2 .

It is a super-2 number, since 2×1308077521396² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933006 + ... + 1867258.

It is an arithmetic number, because the mean of its divisors is an integer number (190762054371).

Almost surely, 2^{1308077521396} is an apocalyptic number.

It is an amenable number.

1308077521396 is a deficient number, since it is larger than the sum of its proper divisors (981067131056).

1308077521396 is a wasteful number, since it uses less digits than its factorization.

1308077521396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284290 (or 1284288 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 1308077521396 in words is "one trillion, three hundred eight billion, seventy-seven million, five hundred twenty-one thousand, three hundred ninety-six".