131089337 has 2 divisors, whose sum is σ = 131089338. Its totient is φ = 131089336.

The previous prime is 131089333. The next prime is 131089339. The reversal of 131089337 is 733980131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 56715961 = 8624^2 + 7531^2 .

It is a cyclic number.

It is not a de Polignac number, because 131089337 - 2² = 131089333 is a prime.

Together with 131089339, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_7436492 and since 131089337 and 7436492 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 131089297 and 131089306.

It is not a weakly prime, because it can be changed into another prime (131089333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65544668 + 65544669.

It is an arithmetic number, because the mean of its divisors is an integer number (65544669).

Almost surely, 2^131089337 is an apocalyptic number.

It is an amenable number.

131089337 is a deficient number, since it is larger than the sum of its proper divisors (1).

131089337 is an equidigital number, since it uses as much as digits as its factorization.

131089337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 131089337 is about 11449.4251820779. The cubic root of 131089337 is about 507.9907321040.

The spelling of 131089337 in words is "one hundred thirty-one million, eighty-nine thousand, three hundred thirty-seven".