520746142 has 32 divisors (see below), whose sum is σ = 960742080. Its totient is φ = 206599680.

The previous prime is 520746139. The next prime is 520746143. The reversal of 520746142 is 241647025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520746143) 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 15 ways as a sum of consecutive naturals, for example, 3417 + ... + 32452.

It is an arithmetic number, because the mean of its divisors is an integer number (30023190).

Almost surely, 2^520746142 is an apocalyptic number.

520746142 is a deficient number, since it is larger than the sum of its proper divisors (439995938).

520746142 is a wasteful number, since it uses less digits than its factorization.

520746142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35956.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 520746142 is about 22819.8628830236. The cubic root of 520746142 is about 804.5295874355.

The spelling of 520746142 in words is "five hundred twenty million, seven hundred forty-six thousand, one hundred forty-two".