131507339629 has 2 divisors, whose sum is σ = 131507339630. Its totient is φ = 131507339628.

The previous prime is 131507339543. The next prime is 131507339681. The reversal of 131507339629 is 926933705131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122020969225 + 9486370404 = 349315^2 + 97398^2 .

It is a cyclic number.

It is not a de Polignac number, because 131507339629 - 2¹¹ = 131507337581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131507336629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65753669814 + 65753669815.

It is an arithmetic number, because the mean of its divisors is an integer number (65753669815).

Almost surely, 2^131507339629 is an apocalyptic number.

It is an amenable number.

131507339629 is a deficient number, since it is larger than the sum of its proper divisors (1).

131507339629 is an equidigital number, since it uses as much as digits as its factorization.

131507339629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 49.

The spelling of 131507339629 in words is "one hundred thirty-one billion, five hundred seven million, three hundred thirty-nine thousand, six hundred twenty-nine".