1336870125361 has 3 divisors (see below), whose sum is σ = 1336871281593. Its totient is φ = 1336868969130.

The previous prime is 1336870125323. The next prime is 1336870125379. The reversal of 1336870125361 is 1635210786331.

The square root of 1336870125361 is 1156231.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1336870125361 - 2⁷ = 1336870125233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1336873125361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 578116 + ... + 1734346.

It is an arithmetic number, because the mean of its divisors is an integer number (445623760531).

Almost surely, 2^{1336870125361} is an apocalyptic number.

1336870125361 is the 1156231-st square number.

1336870125361 is the 578116-th centered octagonal number.

It is an amenable number.

1336870125361 is a deficient number, since it is larger than the sum of its proper divisors (1156232).

1336870125361 is an frugal number, since it uses more digits than its factorization.

1336870125361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312462 (or 1156231 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 1336870125361 in words is "one trillion, three hundred thirty-six billion, eight hundred seventy million, one hundred twenty-five thousand, three hundred sixty-one".