105540740 has 24 divisors (see below), whose sum is σ = 228786432. Its totient is φ = 40854240.

The previous prime is 105540733. The next prime is 105540749. The reversal of 105540740 is 47045501.

It is a super-2 number, since 2×105540740² = 22277695599495200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105540749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84494 + ... + 85733.

It is an arithmetic number, because the mean of its divisors is an integer number (9532768).

Almost surely, 2^105540740 is an apocalyptic number.

105540740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105540740 is an abundant number, since it is smaller than the sum of its proper divisors (123245692).

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

105540740 is a wasteful number, since it uses less digits than its factorization.

105540740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170267 (or 170265 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 105540740 is about 10273.3022928365. The cubic root of 105540740 is about 472.5778675919.

The spelling of 105540740 in words is "one hundred five million, five hundred forty thousand, seven hundred forty".