140129924 has 24 divisors (see below), whose sum is σ = 271191648. Its totient is φ = 62821440.

The previous prime is 140129917. The next prime is 140129939. The reversal of 140129924 is 429921041.

It is an unprimeable number.

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, 18602 + ... + 25025.

It is an arithmetic number, because the mean of its divisors is an integer number (11299652).

Almost surely, 2^140129924 is an apocalyptic number.

It is an amenable number.

140129924 is a deficient number, since it is larger than the sum of its proper divisors (131061724).

140129924 is a wasteful number, since it uses less digits than its factorization.

140129924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43715 (or 43713 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 140129924 is about 11837.6485840728. The cubic root of 140129924 is about 519.4099866183.

The spelling of 140129924 in words is "one hundred forty million, one hundred twenty-nine thousand, nine hundred twenty-four".