140421203 has 8 divisors (see below), whose sum is σ = 152009088. Its totient is φ = 128945664.

The previous prime is 140421199. The next prime is 140421217. The reversal of 140421203 is 302124041.

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 140421203 - 2² = 140421199 is a prime.

It is a super-2 number, since 2×140421203² = 39436228503934418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140421283) 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, 25475 + ... + 30492.

It is an arithmetic number, because the mean of its divisors is an integer number (19001136).

Almost surely, 2^140421203 is an apocalyptic number.

140421203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140421203 is a deficient number, since it is larger than the sum of its proper divisors (11587885).

140421203 is a wasteful number, since it uses less digits than its factorization.

140421203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56173.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140421203 is about 11849.9452741352. The cubic root of 140421203 is about 519.7696255169.

Adding to 140421203 its reverse (302124041), we get a palindrome (442545244).

The spelling of 140421203 in words is "one hundred forty million, four hundred twenty-one thousand, two hundred three".