140241361 has 32 divisors (see below), whose sum is σ = 164545920. Its totient is φ = 118540800.

The previous prime is 140241319. The next prime is 140241377. The reversal of 140241361 is 163142041.

It is a 3-Lehmer number, since φ(140241361) divides (140241361-1)³.

It is a cyclic number.

It is a Carmichael number.

It is a de Polignac number, because none of the positive numbers 2^k-140241361 is a prime.

It is a deceptive number, since it divides R_140241360.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140241301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664546 + ... + 664756.

It is an arithmetic number, because the mean of its divisors is an integer number (5142060).

It is a Poulet number, since it divides 2^140241360-1.

Almost surely, 2^140241361 is an apocalyptic number.

It is an amenable number.

140241361 is a deficient number, since it is larger than the sum of its proper divisors (24304559).

140241361 is a wasteful number, since it uses less digits than its factorization.

140241361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140241361 is about 11842.3545378442. The cubic root of 140241361 is about 519.5476354339.

The spelling of 140241361 in words is "one hundred forty million, two hundred forty-one thousand, three hundred sixty-one".