140140101 has 8 divisors (see below), whose sum is σ = 188568160. Its totient is φ = 92569392.

The previous prime is 140140097. The next prime is 140140103. The reversal of 140140101 is 101041041.

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

It is not a de Polignac number, because 140140101 - 2² = 140140097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140103) 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, 213955 + ... + 214608.

It is an arithmetic number, because the mean of its divisors is an integer number (23571020).

Almost surely, 2^140140101 is an apocalyptic number.

It is an amenable number.

140140101 is a deficient number, since it is larger than the sum of its proper divisors (48428059).

140140101 is a wasteful number, since it uses less digits than its factorization.

140140101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428675.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 140140101 is about 11838.0784335972. The cubic root of 140140101 is about 519.4225604434.

Adding to 140140101 its reverse (101041041), we get a palindrome (241181142).

The spelling of 140140101 in words is "one hundred forty million, one hundred forty thousand, one hundred one".