140144115 has 16 divisors (see below), whose sum is σ = 224945568. Its totient is φ = 74505216.

The previous prime is 140144111. The next prime is 140144143. The reversal of 140144115 is 511441041.

It is not a de Polignac number, because 140144115 - 2² = 140144111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140144091 and 140144100.

It is not an unprimeable number, because it can be changed into a prime (140144111) 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, 9982 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (14059098).

Almost surely, 2^140144115 is an apocalyptic number.

140144115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140144115 is a deficient number, since it is larger than the sum of its proper divisors (84801453).

140144115 is a wasteful number, since it uses less digits than its factorization.

140144115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29798.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 140144115 is about 11838.2479700334. The cubic root of 140144115 is about 519.4275196289.

Adding to 140144115 its reverse (511441041), we get a palindrome (651585156).

The spelling of 140144115 in words is "one hundred forty million, one hundred forty-four thousand, one hundred fifteen".