140124644 has 12 divisors (see below), whose sum is σ = 267510768. Its totient is φ = 63693000.

The previous prime is 140124641. The next prime is 140124653. The reversal of 140124644 is 446421041.

It is a super-2 number, since 2×140124644² = 39269831712253472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140124641) 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 3 ways as a sum of consecutive naturals, for example, 1592282 + ... + 1592369.

It is an arithmetic number, because the mean of its divisors is an integer number (22292564).

Almost surely, 2^140124644 is an apocalyptic number.

It is an amenable number.

140124644 is a deficient number, since it is larger than the sum of its proper divisors (127386124).

140124644 is a wasteful number, since it uses less digits than its factorization.

140124644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184666 (or 3184664 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 140124644 is about 11837.4255647079. The cubic root of 140124644 is about 519.4034628650.

Adding to 140124644 its reverse (446421041), we get a palindrome (586545685).

The spelling of 140124644 in words is "one hundred forty million, one hundred twenty-four thousand, six hundred forty-four".