1406339847081 has 64 divisors (see below), whose sum is σ = 2267905024000. Its totient is φ = 856155702528.

The previous prime is 1406339847041. The next prime is 1406339847097. The reversal of 1406339847081 is 1807489336041.

1406339847081 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 3 + 3 + 98 + 470 + 81 = 666.

It is not a de Polignac number, because 1406339847081 - 2¹³ = 1406339838889 is a prime.

It is a super-2 number, since 2×1406339847081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406339847041) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 15512175 + ... + 15602571.

It is an arithmetic number, because the mean of its divisors is an integer number (35436016000).

Almost surely, 2^{1406339847081} is an apocalyptic number.

It is an amenable number.

1406339847081 is a deficient number, since it is larger than the sum of its proper divisors (861565176919).

1406339847081 is a wasteful number, since it uses less digits than its factorization.

1406339847081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90895 (or 90889 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1406339847081 in words is "one trillion, four hundred six billion, three hundred thirty-nine million, eight hundred forty-seven thousand, eighty-one".