140030215 has 8 divisors (see below), whose sum is σ = 180962208. Its totient is φ = 103406880.

The previous prime is 140030167. The next prime is 140030221. The reversal of 140030215 is 512030041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140030215 - 2⁷ = 140030087 is a prime.

It is a super-2 number, since 2×140030215² = 39216922225892450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1077091 + ... + 1077220.

It is an arithmetic number, because the mean of its divisors is an integer number (22620276).

Almost surely, 2^140030215 is an apocalyptic number.

140030215 is a deficient number, since it is larger than the sum of its proper divisors (40931993).

140030215 is a wasteful number, since it uses less digits than its factorization.

140030215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154329.

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

The square root of 140030215 is about 11833.4363141059. The cubic root of 140030215 is about 519.2867625479.

Adding to 140030215 its reverse (512030041), we get a palindrome (652060256).

The spelling of 140030215 in words is "one hundred forty million, thirty thousand, two hundred fifteen".