140024129 has 8 divisors (see below), whose sum is σ = 168450240. Its totient is φ = 113703696.

The previous prime is 140024123. The next prime is 140024149. The reversal of 140024129 is 921420041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140024129 - 2⁴ = 140024113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140024123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526274 + ... + 526539.

It is an arithmetic number, because the mean of its divisors is an integer number (21056280).

Almost surely, 2^140024129 is an apocalyptic number.

140024129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140024129 is a deficient number, since it is larger than the sum of its proper divisors (28426111).

140024129 is a wasteful number, since it uses less digits than its factorization.

140024129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052839.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 140024129 is about 11833.1791586201. The cubic root of 140024129 is about 519.2792393501.

The spelling of 140024129 in words is "one hundred forty million, twenty-four thousand, one hundred twenty-nine".