105399743938 has 16 divisors (see below), whose sum is σ = 159341079744. Its totient is φ = 52286225680.

The previous prime is 105399743927. The next prime is 105399743947. The reversal of 105399743938 is 839347993501.

It is a super-2 number, since 2×105399743938² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236531 + ... + 1319017.

It is an arithmetic number, because the mean of its divisors is an integer number (9958817484).

Almost surely, 2^105399743938 is an apocalyptic number.

105399743938 is a deficient number, since it is larger than the sum of its proper divisors (53941335806).

105399743938 is a wasteful number, since it uses less digits than its factorization.

105399743938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87497.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 105399743938 in words is "one hundred five billion, three hundred ninety-nine million, seven hundred forty-three thousand, nine hundred thirty-eight".