135656545 has 4 divisors (see below), whose sum is σ = 162787860. Its totient is φ = 108525232.

The previous prime is 135656533. The next prime is 135656567. The reversal of 135656545 is 545656531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100881936 + 34774609 = 10044^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 135656545 - 2²⁷ = 1438817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135656498 and 135656507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13565650 + ... + 13565659.

It is an arithmetic number, because the mean of its divisors is an integer number (40696965).

Almost surely, 2^135656545 is an apocalyptic number.

It is an amenable number.

135656545 is a deficient number, since it is larger than the sum of its proper divisors (27131315).

135656545 is an equidigital number, since it uses as much as digits as its factorization.

135656545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27131314.

The product of its digits is 270000, while the sum is 40.

The square root of 135656545 is about 11647.1689693247. The cubic root of 135656545 is about 513.8230514773.

The spelling of 135656545 in words is "one hundred thirty-five million, six hundred fifty-six thousand, five hundred forty-five".