140215043 has 2 divisors, whose sum is σ = 140215044. Its totient is φ = 140215042.

The previous prime is 140215021. The next prime is 140215057. The reversal of 140215043 is 340512041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140215043 - 2¹² = 140210947 is a prime.

It is not a weakly prime, because it can be changed into another prime (140215073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70107521 + 70107522.

It is an arithmetic number, because the mean of its divisors is an integer number (70107522).

Almost surely, 2^140215043 is an apocalyptic number.

140215043 is a deficient number, since it is larger than the sum of its proper divisors (1).

140215043 is an equidigital number, since it uses as much as digits as its factorization.

140215043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140215043 is about 11841.2433046534. The cubic root of 140215043 is about 519.5151335862.

Adding to 140215043 its reverse (340512041), we get a palindrome (480727084).

The spelling of 140215043 in words is "one hundred forty million, two hundred fifteen thousand, forty-three".