140284301729 has 8 divisors (see below), whose sum is σ = 164809529472. Its totient is φ = 117721092240.

The previous prime is 140284301723. The next prime is 140284301743. The reversal of 140284301729 is 927103482041.

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 140284301729 - 2⁴ = 140284301713 is a prime.

It is a super-2 number, since 2×140284301729² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140284301723) 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, 490504409 + ... + 490504694.

It is an arithmetic number, because the mean of its divisors is an integer number (20601191184).

Almost surely, 2^140284301729 is an apocalyptic number.

It is an amenable number.

140284301729 is a deficient number, since it is larger than the sum of its proper divisors (24525227743).

140284301729 is a wasteful number, since it uses less digits than its factorization.

140284301729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981009127.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 140284301729 in words is "one hundred forty billion, two hundred eighty-four million, three hundred one thousand, seven hundred twenty-nine".