140715 has 24 divisors (see below), whose sum is σ = 252720. Its totient is φ = 72384.

The previous prime is 140689. The next prime is 140717. The reversal of 140715 is 517041.

140715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

140715 is a nontrivial binomial coefficient, being equal to C(531, 2).

It is not a de Polignac number, because 140715 - 2⁵ = 140683 is a prime.

It is a super-2 number, since 2×140715² = 39601422450, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140715.

It is not an unprimeable number, because it can be changed into a prime (140717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2356 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (10530).

2¹⁴⁰⁷¹⁵ is an apocalyptic number.

140715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140715 is the 530-th triangular number.

140715 is a deficient number, since it is larger than the sum of its proper divisors (112005).

140715 is a wasteful number, since it uses less digits than its factorization.

140715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 140715 is about 375.1199808061. The cubic root of 140715 is about 52.0131869909.

Adding to 140715 its reverse (517041), we get a palindrome (657756).

The spelling of 140715 in words is "one hundred forty thousand, seven hundred fifteen".