1381015864198 has 16 divisors (see below), whose sum is σ = 2115539959680. Its totient is φ = 675989512000.

The previous prime is 1381015864169. The next prime is 1381015864231. The reversal of 1381015864198 is 8914685101831.

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 in 7 ways as a sum of consecutive naturals, for example, 38390518 + ... + 38426473.

It is an arithmetic number, because the mean of its divisors is an integer number (132221247480).

Almost surely, 2^{1381015864198} is an apocalyptic number.

1381015864198 is a deficient number, since it is larger than the sum of its proper divisors (734524095482).

1381015864198 is a wasteful number, since it uses less digits than its factorization.

1381015864198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76817183.

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 1381015864198 in words is "one trillion, three hundred eighty-one billion, fifteen million, eight hundred sixty-four thousand, one hundred ninety-eight".