105535131406 has 8 divisors (see below), whose sum is σ = 158351310720. Its totient is φ = 52751361168.

The previous prime is 105535131397. The next prime is 105535131407. The reversal of 105535131406 is 604131535501.

105535131406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×105535131406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105535131407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8094126 + ... + 8107153.

It is an arithmetic number, because the mean of its divisors is an integer number (19793913840).

Almost surely, 2^105535131406 is an apocalyptic number.

105535131406 is a deficient number, since it is larger than the sum of its proper divisors (52816179314).

105535131406 is a wasteful number, since it uses less digits than its factorization.

105535131406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16204538.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 105535131406 its reverse (604131535501), we get a palindrome (709666666907).

The spelling of 105535131406 in words is "one hundred five billion, five hundred thirty-five million, one hundred thirty-one thousand, four hundred six".