135600061 has 4 divisors (see below), whose sum is σ = 135626400. Its totient is φ = 135573724.

The previous prime is 135600037. The next prime is 135600119. The reversal of 135600061 is 160006531.

135600061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135600061 - 2¹⁷ = 135468989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135600961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641 + ... + 16678.

It is an arithmetic number, because the mean of its divisors is an integer number (33906600).

Almost surely, 2^135600061 is an apocalyptic number.

It is an amenable number.

135600061 is a deficient number, since it is larger than the sum of its proper divisors (26339).

135600061 is an equidigital number, since it uses as much as digits as its factorization.

135600061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26338.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 135600061 is about 11644.7439216155. The cubic root of 135600061 is about 513.7517272118.

Adding to 135600061 its reverse (160006531), we get a palindrome (295606592).

The spelling of 135600061 in words is "one hundred thirty-five million, six hundred thousand, sixty-one".