131755061 has 2 divisors, whose sum is σ = 131755062. Its totient is φ = 131755060.

The previous prime is 131755037. The next prime is 131755081. The reversal of 131755061 is 160557131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101888836 + 29866225 = 10094^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 131755061 - 2²² = 127560757 is a prime.

It is a super-2 number, since 2×131755061² = 34718792198227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131755021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65877530 + 65877531.

It is an arithmetic number, because the mean of its divisors is an integer number (65877531).

Almost surely, 2^131755061 is an apocalyptic number.

It is an amenable number.

131755061 is a deficient number, since it is larger than the sum of its proper divisors (1).

131755061 is an equidigital number, since it uses as much as digits as its factorization.

131755061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 131755061 is about 11478.4607417545. The cubic root of 131755061 is about 508.8492071099.

The spelling of 131755061 in words is "one hundred thirty-one million, seven hundred fifty-five thousand, sixty-one".