140235015 has 32 divisors (see below), whose sum is σ = 228533760. Its totient is φ = 73420416.

The previous prime is 140234993. The next prime is 140235061. The reversal of 140235015 is 510532041.

It is not a de Polignac number, because 140235015 - 2⁹ = 140234503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140234982 and 140235000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214429 + ... + 215081.

It is an arithmetic number, because the mean of its divisors is an integer number (7141680).

Almost surely, 2^140235015 is an apocalyptic number.

140235015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140235015 is a deficient number, since it is larger than the sum of its proper divisors (88298745).

140235015 is a wasteful number, since it uses less digits than its factorization.

140235015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140235015 is about 11842.0865982309. The cubic root of 140235015 is about 519.5397987087.

Adding to 140235015 its reverse (510532041), we get a palindrome (650767056).

The spelling of 140235015 in words is "one hundred forty million, two hundred thirty-five thousand, fifteen".