140027915 has 16 divisors (see below), whose sum is σ = 173861856. Its totient is φ = 108192000.

The previous prime is 140027893. The next prime is 140027917. The reversal of 140027915 is 519720041.

It is not a de Polignac number, because 140027915 - 2⁸ = 140027659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140027917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17324 + ... + 24086.

It is an arithmetic number, because the mean of its divisors is an integer number (10866366).

Almost surely, 2^140027915 is an apocalyptic number.

140027915 is a deficient number, since it is larger than the sum of its proper divisors (33833941).

140027915 is a wasteful number, since it uses less digits than its factorization.

140027915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 140027915 is about 11833.3391314540. The cubic root of 140027915 is about 519.2839194327.

Adding to 140027915 its reverse (519720041), we get a palindrome (659747956).

The spelling of 140027915 in words is "one hundred forty million, twenty-seven thousand, nine hundred fifteen".