1381094426188 has 12 divisors (see below), whose sum is σ = 2416924800472. Its totient is φ = 690544483200.

The previous prime is 1381094426111. The next prime is 1381094426209. The reversal of 1381094426188 is 8816244901831.

It is a super-2 number, since 2×1381094426188² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826588 + ... + 1856188.

Almost surely, 2^{1381094426188} is an apocalyptic number.

It is an amenable number.

1381094426188 is a deficient number, since it is larger than the sum of its proper divisors (1035830374284).

1381094426188 is a wasteful number, since it uses less digits than its factorization.

1381094426188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364952 (or 1364950 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 1381094426188 in words is "one trillion, three hundred eighty-one billion, ninety-four million, four hundred twenty-six thousand, one hundred eighty-eight".