140232215 has 8 divisors (see below), whose sum is σ = 169002288. Its totient is φ = 111703360.

The previous prime is 140232199. The next prime is 140232233. The reversal of 140232215 is 512232041.

140232215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140232215 - 2⁴ = 140232199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59021 + ... + 61350.

It is an arithmetic number, because the mean of its divisors is an integer number (21125286).

Almost surely, 2^140232215 is an apocalyptic number.

140232215 is a deficient number, since it is larger than the sum of its proper divisors (28770073).

140232215 is a wasteful number, since it uses less digits than its factorization.

140232215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120609.

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

The square root of 140232215 is about 11841.9683752322. The cubic root of 140232215 is about 519.5363408916.

Adding to 140232215 its reverse (512232041), we get a palindrome (652464256).

The spelling of 140232215 in words is "one hundred forty million, two hundred thirty-two thousand, two hundred fifteen".