516140745 has 8 divisors (see below), whose sum is σ = 825825216. Its totient is φ = 275275056.

The previous prime is 516140743. The next prime is 516140749. The reversal of 516140745 is 547041615.

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

It is not a de Polignac number, because 516140745 - 2¹ = 516140743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516140743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17204677 + ... + 17204706.

It is an arithmetic number, because the mean of its divisors is an integer number (103228152).

Almost surely, 2^516140745 is an apocalyptic number.

It is an amenable number.

516140745 is a deficient number, since it is larger than the sum of its proper divisors (309684471).

516140745 is a wasteful number, since it uses less digits than its factorization.

516140745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34409391.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 516140745 is about 22718.7311485479. The cubic root of 516140745 is about 802.1508501430.

The spelling of 516140745 in words is "five hundred sixteen million, one hundred forty thousand, seven hundred forty-five".