140424161 has 8 divisors (see below), whose sum is σ = 143256960. Its totient is φ = 137613168.

The previous prime is 140424149. The next prime is 140424173. The reversal of 140424161 is 161424041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140424149) and next prime (140424173).

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

It is not a de Polignac number, because 140424161 - 2¹⁰ = 140423137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140424181) 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, 7880 + ... + 18518.

It is an arithmetic number, because the mean of its divisors is an integer number (17907120).

Almost surely, 2^140424161 is an apocalyptic number.

It is an amenable number.

140424161 is a deficient number, since it is larger than the sum of its proper divisors (2832799).

140424161 is a wasteful number, since it uses less digits than its factorization.

140424161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10903.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 140424161 is about 11850.0700841809. The cubic root of 140424161 is about 519.7732751740.

The spelling of 140424161 in words is "one hundred forty million, four hundred twenty-four thousand, one hundred sixty-one".