131503004639 has 2 divisors, whose sum is σ = 131503004640. Its totient is φ = 131503004638.

The previous prime is 131503004629. The next prime is 131503004707. The reversal of 131503004639 is 936400305131.

It is a weak prime.

It is an emirp because it is prime and its reverse (936400305131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131503004639 - 2¹² = 131503000543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131503004599 and 131503004608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131503004629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65751502319 + 65751502320.

It is an arithmetic number, because the mean of its divisors is an integer number (65751502320).

Almost surely, 2^131503004639 is an apocalyptic number.

131503004639 is a deficient number, since it is larger than the sum of its proper divisors (1).

131503004639 is an equidigital number, since it uses as much as digits as its factorization.

131503004639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 131503004639 in words is "one hundred thirty-one billion, five hundred three million, four thousand, six hundred thirty-nine".