131445035537 has 2 divisors, whose sum is σ = 131445035538. Its totient is φ = 131445035536.

The previous prime is 131445035503. The next prime is 131445035563. The reversal of 131445035537 is 735530544131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127631849536 + 3813186001 = 357256^2 + 61751^2 .

It is an emirp because it is prime and its reverse (735530544131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131445035537 - 2¹⁶ = 131444970001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131445035494 and 131445035503.

It is not a weakly prime, because it can be changed into another prime (131445035587) 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 as a sum of consecutive naturals, namely, 65722517768 + 65722517769.

It is an arithmetic number, because the mean of its divisors is an integer number (65722517769).

Almost surely, 2^131445035537 is an apocalyptic number.

It is an amenable number.

131445035537 is a deficient number, since it is larger than the sum of its proper divisors (1).

131445035537 is an equidigital number, since it uses as much as digits as its factorization.

131445035537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 41.

Adding to 131445035537 its reverse (735530544131), we get a palindrome (866975579668).

The spelling of 131445035537 in words is "one hundred thirty-one billion, four hundred forty-five million, thirty-five thousand, five hundred thirty-seven".