140826217 has 8 divisors (see below), whose sum is σ = 167942016. Its totient is φ = 115459872.

The previous prime is 140826197. The next prime is 140826221. The reversal of 140826217 is 712628041.

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 140826217 - 2⁷ = 140826089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140826817) 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, 437188 + ... + 437509.

It is an arithmetic number, because the mean of its divisors is an integer number (20992752).

Almost surely, 2^140826217 is an apocalyptic number.

It is an amenable number.

140826217 is a deficient number, since it is larger than the sum of its proper divisors (27115799).

140826217 is an equidigital number, since it uses as much as digits as its factorization.

140826217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874727.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 140826217 is about 11867.0222465453. The cubic root of 140826217 is about 520.2688661362.

The spelling of 140826217 in words is "one hundred forty million, eight hundred twenty-six thousand, two hundred seventeen".