140415214 has 4 divisors (see below), whose sum is σ = 210622824. Its totient is φ = 70207606.

The previous prime is 140415199. The next prime is 140415239. The reversal of 140415214 is 412514041.

140415214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35103802 + ... + 35103805.

It is an arithmetic number, because the mean of its divisors is an integer number (52655706).

Almost surely, 2^140415214 is an apocalyptic number.

140415214 is a deficient number, since it is larger than the sum of its proper divisors (70207610).

140415214 is an equidigital number, since it uses as much as digits as its factorization.

140415214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70207609.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 140415214 is about 11849.6925698518. The cubic root of 140415214 is about 519.7622359763.

Adding to 140415214 its reverse (412514041), we get a palindrome (552929255).

The spelling of 140415214 in words is "one hundred forty million, four hundred fifteen thousand, two hundred fourteen".