140111715 has 16 divisors (see below), whose sum is σ = 224640000. Its totient is φ = 74572512.

The previous prime is 140111689. The next prime is 140111737. The reversal of 140111715 is 517111041.

It is not a de Polignac number, because 140111715 - 2⁵ = 140111683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140111691 and 140111700.

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, 1875 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (14040000).

Almost surely, 2^140111715 is an apocalyptic number.

140111715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140111715 is a deficient number, since it is larger than the sum of its proper divisors (84528285).

140111715 is a wasteful number, since it uses less digits than its factorization.

140111715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226.

The product of its (nonzero) digits is 140, while the sum is 21.

The square root of 140111715 is about 11836.8794451916. The cubic root of 140111715 is about 519.3874876262.

Adding to 140111715 its reverse (517111041), we get a palindrome (657222756).

The spelling of 140111715 in words is "one hundred forty million, one hundred eleven thousand, seven hundred fifteen".