140212103 has 4 divisors (see below), whose sum is σ = 140441448. Its totient is φ = 139982760.

The previous prime is 140212043. The next prime is 140212157. The reversal of 140212103 is 301212041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301212041 = 13 ⋅23170157.

It is a cyclic number.

It is not a de Polignac number, because 140212103 - 2⁸ = 140211847 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 (140212183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113753 + ... + 114978.

It is an arithmetic number, because the mean of its divisors is an integer number (35110362).

Almost surely, 2^140212103 is an apocalyptic number.

140212103 is a deficient number, since it is larger than the sum of its proper divisors (229345).

140212103 is an equidigital number, since it uses as much as digits as its factorization.

140212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229344.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140212103 is about 11841.1191616333. The cubic root of 140212103 is about 519.5115025322.

Adding to 140212103 its reverse (301212041), we get a palindrome (441424144).

The spelling of 140212103 in words is "one hundred forty million, two hundred twelve thousand, one hundred three".