140162401 has 8 divisors (see below), whose sum is σ = 144151784. Its totient is φ = 136183680.

The previous prime is 140162387. The next prime is 140162417. The reversal of 140162401 is 104261041.

It can be written as a sum of positive squares in 4 ways, for example, as 11566801 + 128595600 = 3401^2 + 11340^2 .

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

It is not a de Polignac number, because 140162401 - 2¹¹ = 140160353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140162461) 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, 29341 + ... + 33781.

It is an arithmetic number, because the mean of its divisors is an integer number (18018973).

Almost surely, 2^140162401 is an apocalyptic number.

It is an amenable number.

140162401 is a deficient number, since it is larger than the sum of its proper divisors (3989383).

140162401 is an equidigital number, since it uses as much as digits as its factorization.

140162401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140162401 is about 11839.0202719651. The cubic root of 140162401 is about 519.4501102755.

The spelling of 140162401 in words is "one hundred forty million, one hundred sixty-two thousand, four hundred one".