140120515 has 8 divisors (see below), whose sum is σ = 169152480. Its totient is φ = 111424512.

The previous prime is 140120501. The next prime is 140120549. The reversal of 140120515 is 515021041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140120515 - 2²³ = 131731907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140120492 and 140120501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83070 + ... + 84739.

It is an arithmetic number, because the mean of its divisors is an integer number (21144060).

Almost surely, 2^140120515 is an apocalyptic number.

140120515 is a deficient number, since it is larger than the sum of its proper divisors (29031965).

140120515 is a wasteful number, since it uses less digits than its factorization.

140120515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167981.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 140120515 is about 11837.2511589473. The cubic root of 140120515 is about 519.3983611262.

Adding to 140120515 its reverse (515021041), we get a palindrome (655141556).

The spelling of 140120515 in words is "one hundred forty million, one hundred twenty thousand, five hundred fifteen".