140246115 has 16 divisors (see below), whose sum is σ = 224805888. Its totient is φ = 74660576.

The previous prime is 140246069. The next prime is 140246123. The reversal of 140246115 is 511642041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140246115 - 2¹⁷ = 140115043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 16748.

It is an arithmetic number, because the mean of its divisors is an integer number (14050368).

Almost surely, 2^140246115 is an apocalyptic number.

140246115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140246115 is a deficient number, since it is larger than the sum of its proper divisors (84559773).

140246115 is a wasteful number, since it uses less digits than its factorization.

140246115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17178.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 140246115 is about 11842.5552563625. Note that the first 3 decimals coincide. The cubic root of 140246115 is about 519.5535060309.

Adding to 140246115 its reverse (511642041), we get a palindrome (651888156).

The spelling of 140246115 in words is "one hundred forty million, two hundred forty-six thousand, one hundred fifteen".