140566129 has 8 divisors (see below), whose sum is σ = 153432000. Its totient is φ = 127714800.

The previous prime is 140566039. The next prime is 140566171. The reversal of 140566129 is 921665041.

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 140566129 - 2¹⁵ = 140533361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140566094 and 140566103.

It is not an unprimeable number, because it can be changed into a prime (140566189) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30859 + ... + 35119.

It is an arithmetic number, because the mean of its divisors is an integer number (19179000).

Almost surely, 2^140566129 is an apocalyptic number.

It is an amenable number.

140566129 is a deficient number, since it is larger than the sum of its proper divisors (12865871).

140566129 is a wasteful number, since it uses less digits than its factorization.

140566129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 140566129 is about 11856.0587464806. The cubic root of 140566129 is about 519.9483787514.

The spelling of 140566129 in words is "one hundred forty million, five hundred sixty-six thousand, one hundred twenty-nine".