1381367406671 has 8 divisors (see below), whose sum is σ = 1589160612864. Its totient is φ = 1176187951800.

The previous prime is 1381367406589. The next prime is 1381367406697. The reversal of 1381367406671 is 1766047631831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1381367406671 - 2¹⁸ = 1381367144527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381367408671) 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, 653436695 + ... + 653438808.

It is an arithmetic number, because the mean of its divisors is an integer number (198645076608).

Almost surely, 2^{1381367406671} is an apocalyptic number.

1381367406671 is a deficient number, since it is larger than the sum of its proper divisors (207793206193).

1381367406671 is a wasteful number, since it uses less digits than its factorization.

1381367406671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306875661.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 1381367406671 in words is "one trillion, three hundred eighty-one billion, three hundred sixty-seven million, four hundred six thousand, six hundred seventy-one".