1912105936 has 40 divisors (see below), whose sum is σ = 4044367880. Its totient is φ = 870414336.

The previous prime is 1912105927. The next prime is 1912105961. The reversal of 1912105936 is 6395012191.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 434472336 + 1477633600 = 20844^2 + 38440^2 .

It is a super-2 number, since 2×1912105936² = 7312298220972872192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1912105895 and 1912105904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47781 + ... + 78148.

It is an arithmetic number, because the mean of its divisors is an integer number (101109197).

Almost surely, 2^1912105936 is an apocalyptic number.

1912105936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1912105936 is an abundant number, since it is smaller than the sum of its proper divisors (2132261944).

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

1912105936 is a wasteful number, since it uses less digits than its factorization.

1912105936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126023 (or 126017 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 1912105936 is about 43727.6335513368. The cubic root of 1912105936 is about 1241.1872811478.

The spelling of 1912105936 in words is "one billion, nine hundred twelve million, one hundred five thousand, nine hundred thirty-six".