105040103436 has 18 divisors (see below), whose sum is σ = 265518039332. Its totient is φ = 35013367800.

The previous prime is 105040103431. The next prime is 105040103507. The reversal of 105040103436 is 634301040501.

105040103436 is a `hidden beast` number, since 10 + 504 + 0 + 103 + 43 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×105040103436² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105040103431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458890290 + ... + 1458890361.

Almost surely, 2^105040103436 is an apocalyptic number.

It is an amenable number.

105040103436 is an abundant number, since it is smaller than the sum of its proper divisors (160477935896).

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

105040103436 is a wasteful number, since it uses less digits than its factorization.

105040103436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917780661 (or 2917780656 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 105040103436 its reverse (634301040501), we get a palindrome (739341143937).

The spelling of 105040103436 in words is "one hundred five billion, forty million, one hundred three thousand, four hundred thirty-six".