135560641 has 2 divisors, whose sum is σ = 135560642. Its totient is φ = 135560640.

The previous prime is 135560629. The next prime is 135560651. The reversal of 135560641 is 146065531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 12816400 = 11079^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 135560641 - 2¹¹ = 135558593 is a prime.

It is not a weakly prime, because it can be changed into another prime (135560651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67780320 + 67780321.

It is an arithmetic number, because the mean of its divisors is an integer number (67780321).

Almost surely, 2^135560641 is an apocalyptic number.

It is an amenable number.

135560641 is a deficient number, since it is larger than the sum of its proper divisors (1).

135560641 is an equidigital number, since it uses as much as digits as its factorization.

135560641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 135560641 is about 11643.0511894434. The cubic root of 135560641 is about 513.7019385030.

The spelling of 135560641 in words is "one hundred thirty-five million, five hundred sixty thousand, six hundred forty-one".