140368165 has 8 divisors (see below), whose sum is σ = 192504960. Its totient is φ = 96252432.

The previous prime is 140368159. The next prime is 140368169. The reversal of 140368165 is 561863041.

It is a happy number.

140368165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140368165 - 2³ = 140368157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140368165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140368169) 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, 2005225 + ... + 2005294.

It is an arithmetic number, because the mean of its divisors is an integer number (24063120).

Almost surely, 2^140368165 is an apocalyptic number.

It is an amenable number.

140368165 is a deficient number, since it is larger than the sum of its proper divisors (52136795).

140368165 is an equidigital number, since it uses as much as digits as its factorization.

140368165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010531.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 140368165 is about 11847.7071621475. The cubic root of 140368165 is about 519.7041771554.

It can be divided in two parts, 14036 and 8165, that added together give a square (22201 = 149²).

The spelling of 140368165 in words is "one hundred forty million, three hundred sixty-eight thousand, one hundred sixty-five".