1381641283406 has 16 divisors (see below), whose sum is σ = 2117694699648. Its totient is φ = 675891598200.

The previous prime is 1381641283403. The next prime is 1381641283411. The reversal of 1381641283406 is 6043821461831.

It is a super-3 number, since 3×1381641283406³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381641283403) 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, 37118300 + ... + 37155503.

It is an arithmetic number, because the mean of its divisors is an integer number (132355918728).

Almost surely, 2^{1381641283406} is an apocalyptic number.

1381641283406 is a deficient number, since it is larger than the sum of its proper divisors (736053416242).

1381641283406 is a wasteful number, since it uses less digits than its factorization.

1381641283406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74274007.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 1381641283406 in words is "one trillion, three hundred eighty-one billion, six hundred forty-one million, two hundred eighty-three thousand, four hundred six".