140429805 has 8 divisors (see below), whose sum is σ = 224687712. Its totient is φ = 74895888.

The previous prime is 140429791. The next prime is 140429827. The reversal of 140429805 is 508924041.

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

It is not a de Polignac number, because 140429805 - 2⁹ = 140429293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4680979 + ... + 4681008.

It is an arithmetic number, because the mean of its divisors is an integer number (28085964).

Almost surely, 2^140429805 is an apocalyptic number.

140429805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140429805 is a deficient number, since it is larger than the sum of its proper divisors (84257907).

140429805 is an equidigital number, since it uses as much as digits as its factorization.

140429805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361995.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 140429805 is about 11850.3082238396. The cubic root of 140429805 is about 519.7802387456.

The spelling of 140429805 in words is "one hundred forty million, four hundred twenty-nine thousand, eight hundred five".