140300215 has 16 divisors (see below), whose sum is σ = 184415616. Its totient is φ = 101620000.

The previous prime is 140300213. The next prime is 140300221. The reversal of 140300215 is 512003041.

It is not a de Polignac number, because 140300215 - 2¹ = 140300213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140300213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8724 + ... + 18886.

It is an arithmetic number, because the mean of its divisors is an integer number (11525976).

Almost surely, 2^140300215 is an apocalyptic number.

140300215 is a deficient number, since it is larger than the sum of its proper divisors (44115401).

140300215 is a wasteful number, since it uses less digits than its factorization.

140300215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 140300215 is about 11844.8391715548. The cubic root of 140300215 is about 519.6203034398.

Adding to 140300215 its reverse (512003041), we get a palindrome (652303256).

The spelling of 140300215 in words is "one hundred forty million, three hundred thousand, two hundred fifteen".