140541046 has 4 divisors (see below), whose sum is σ = 210811572. Its totient is φ = 70270522.

The previous prime is 140541029. The next prime is 140541053. The reversal of 140541046 is 640145041.

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

It is a super-2 number, since 2×140541046² = 39503571221548232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140541046.

It is a congruent number.

It is an unprimeable number.

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, 35135260 + ... + 35135263.

It is an arithmetic number, because the mean of its divisors is an integer number (52702893).

Almost surely, 2^140541046 is an apocalyptic number.

140541046 is a deficient number, since it is larger than the sum of its proper divisors (70270526).

140541046 is an equidigital number, since it uses as much as digits as its factorization.

140541046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70270525.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 140541046 is about 11855.0008857022. Note that the first 3 decimals coincide. The cubic root of 140541046 is about 519.9174499136.

Adding to 140541046 its reverse (640145041), we get a palindrome (780686087).

The spelling of 140541046 in words is "one hundred forty million, five hundred forty-one thousand, forty-six".