1381117693694 has 16 divisors (see below), whose sum is σ = 2161786320000. Its totient is φ = 660523278360.

The previous prime is 1381117693691. The next prime is 1381117693729. The reversal of 1381117693694 is 4963967111831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381117693691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882549 + ... + 3327359.

It is an arithmetic number, because the mean of its divisors is an integer number (135111645000).

Almost surely, 2^{1381117693694} is an apocalyptic number.

1381117693694 is a deficient number, since it is larger than the sum of its proper divisors (780668626306).

1381117693694 is a wasteful number, since it uses less digits than its factorization.

1381117693694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512335.

The product of its digits is 5878656, while the sum is 59.

The spelling of 1381117693694 in words is "one trillion, three hundred eighty-one billion, one hundred seventeen million, six hundred ninety-three thousand, six hundred ninety-four".