140021301 has 16 divisors (see below), whose sum is σ = 216373248. Its totient is φ = 78884400.

The previous prime is 140021269. The next prime is 140021303. The reversal of 140021301 is 103120041.

It is a happy number.

It is not a de Polignac number, because 140021301 - 2⁵ = 140021269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140021303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45465 + ... + 48446.

It is an arithmetic number, because the mean of its divisors is an integer number (13523328).

Almost surely, 2^140021301 is an apocalyptic number.

It is an amenable number.

140021301 is a deficient number, since it is larger than the sum of its proper divisors (76351947).

140021301 is an equidigital number, since it uses as much as digits as its factorization.

140021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93992.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 140021301 is about 11833.0596635021. The cubic root of 140021301 is about 519.2757434489.

Adding to 140021301 its reverse (103120041), we get a palindrome (243141342).

The spelling of 140021301 in words is "one hundred forty million, twenty-one thousand, three hundred one".