1361128120386 has 16 divisors (see below), whose sum is σ = 2725833459168. Its totient is φ = 453113170400.

The previous prime is 1361128120379. The next prime is 1361128120409. The reversal of 1361128120386 is 6830218211631.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 149045820 + ... + 149054951.

It is an arithmetic number, because the mean of its divisors is an integer number (170364591198).

Almost surely, 2^{1361128120386} is an apocalyptic number.

1361128120386 is an abundant number, since it is smaller than the sum of its proper divisors (1364705338782).

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

1361128120386 is a wasteful number, since it uses less digits than its factorization.

1361128120386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298101537.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 1361128120386 in words is "one trillion, three hundred sixty-one billion, one hundred twenty-eight million, one hundred twenty thousand, three hundred eighty-six".