140005515 has 24 divisors (see below), whose sum is σ = 242570160. Its totient is φ = 68924544.

The previous prime is 140005501. The next prime is 140005543. The reversal of 140005515 is 515500041.

It is not a de Polignac number, because 140005515 - 2⁶ = 140005451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140005491 and 140005500.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25080 + ... + 30149.

It is an arithmetic number, because the mean of its divisors is an integer number (10107090).

Almost surely, 2^140005515 is an apocalyptic number.

140005515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140005515 is a deficient number, since it is larger than the sum of its proper divisors (102564645).

140005515 is a wasteful number, since it uses less digits than its factorization.

140005515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55263 (or 55250 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 140005515 is about 11832.3926151899. The cubic root of 140005515 is about 519.2562283349.

Adding to 140005515 its reverse (515500041), we get a palindrome (655505556).

The spelling of 140005515 in words is "one hundred forty million, five thousand, five hundred fifteen".