140631110406 has 24 divisors (see below), whose sum is σ = 307099962624. Its totient is φ = 46507925520.

The previous prime is 140631110351. The next prime is 140631110419. The reversal of 140631110406 is 604011136041.

140631110406 is a `hidden beast` number, since 14 + 0 + 631 + 1 + 10 + 4 + 0 + 6 = 666.

It is a super-2 number, since 2×140631110406² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140631110406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30756925 + ... + 30761496.

It is an arithmetic number, because the mean of its divisors is an integer number (12795831776).

Almost surely, 2^140631110406 is an apocalyptic number.

140631110406 is an abundant number, since it is smaller than the sum of its proper divisors (166468852218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140631110406 is a wasteful number, since it uses less digits than its factorization.

140631110406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61518556 (or 61518553 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 140631110406 its reverse (604011136041), we get a palindrome (744642246447).

The spelling of 140631110406 in words is "one hundred forty billion, six hundred thirty-one million, one hundred ten thousand, four hundred six".