105131644 has 6 divisors (see below), whose sum is σ = 183980384. Its totient is φ = 52565820.

The previous prime is 105131639. The next prime is 105131647. The reversal of 105131644 is 446131501.

It is a super-2 number, since 2×105131644² = 22105325140285472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105131647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13141452 + ... + 13141459.

Almost surely, 2^105131644 is an apocalyptic number.

It is an amenable number.

105131644 is a deficient number, since it is larger than the sum of its proper divisors (78848740).

105131644 is a wasteful number, since it uses less digits than its factorization.

105131644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26282915 (or 26282913 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105131644 is about 10253.3723232895. The cubic root of 105131644 is about 471.9664763608.

The spelling of 105131644 in words is "one hundred five million, one hundred thirty-one thousand, six hundred forty-four".