140105366 has 4 divisors (see below), whose sum is σ = 210158052. Its totient is φ = 70052682.

The previous prime is 140105363. The next prime is 140105389. The reversal of 140105366 is 663501041.

140105366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140105363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35026340 + ... + 35026343.

It is an arithmetic number, because the mean of its divisors is an integer number (52539513).

Almost surely, 2^140105366 is an apocalyptic number.

140105366 is a deficient number, since it is larger than the sum of its proper divisors (70052686).

140105366 is an equidigital number, since it uses as much as digits as its factorization.

140105366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70052685.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 140105366 is about 11836.6112549158. The cubic root of 140105366 is about 519.3796423604.

The spelling of 140105366 in words is "one hundred forty million, one hundred five thousand, three hundred sixty-six".