506131739 has 4 divisors (see below), whose sum is σ = 506230656. Its totient is φ = 506032824.

The previous prime is 506131729. The next prime is 506131763. The reversal of 506131739 is 937131605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937131605 = 5 ⋅187426321.

It is a cyclic number.

It is not a de Polignac number, because 506131739 - 2⁴ = 506131723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506131699 and 506131708.

It is not an unprimeable number, because it can be changed into a prime (506131729) 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 3 ways as a sum of consecutive naturals, for example, 41339 + ... + 52164.

It is an arithmetic number, because the mean of its divisors is an integer number (126557664).

Almost surely, 2^506131739 is an apocalyptic number.

506131739 is a deficient number, since it is larger than the sum of its proper divisors (98917).

506131739 is an equidigital number, since it uses as much as digits as its factorization.

506131739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98916.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 506131739 is about 22497.3718242821. The cubic root of 506131739 is about 796.9318622687.

The spelling of 506131739 in words is "five hundred six million, one hundred thirty-one thousand, seven hundred thirty-nine".