140234415 has 8 divisors (see below), whose sum is σ = 224375088. Its totient is φ = 74791680.

The previous prime is 140234389. The next prime is 140234431. The reversal of 140234415 is 514432041.

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

It is not a de Polignac number, because 140234415 - 2⁷ = 140234287 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4674466 + ... + 4674495.

It is an arithmetic number, because the mean of its divisors is an integer number (28046886).

Almost surely, 2^140234415 is an apocalyptic number.

140234415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140234415 is a deficient number, since it is larger than the sum of its proper divisors (84140673).

140234415 is an equidigital number, since it uses as much as digits as its factorization.

140234415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348969.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140234415 is about 11842.0612648305. The cubic root of 140234415 is about 519.5390577518.

Adding to 140234415 its reverse (514432041), we get a palindrome (654666456).

The spelling of 140234415 in words is "one hundred forty million, two hundred thirty-four thousand, four hundred fifteen".