140049556 has 12 divisors (see below), whose sum is σ = 245421792. Its totient is φ = 69929048.

The previous prime is 140049527. The next prime is 140049583. The reversal of 140049556 is 655940041.

It is a super-2 number, since 2×140049556² = 39227756271594272, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 20590 + ... + 26533.

It is an arithmetic number, because the mean of its divisors is an integer number (20451816).

Almost surely, 2^140049556 is an apocalyptic number.

It is an amenable number.

140049556 is a deficient number, since it is larger than the sum of its proper divisors (105372236).

140049556 is a wasteful number, since it uses less digits than its factorization.

140049556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47870 (or 47868 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 140049556 is about 11834.2535041294. The cubic root of 140049556 is about 519.3106694428.

Adding to 140049556 its reverse (655940041), we get a palindrome (795989597).

The spelling of 140049556 in words is "one hundred forty million, forty-nine thousand, five hundred fifty-six".