135515545 has 8 divisors (see below), whose sum is σ = 177402240. Its totient is φ = 98556720.

The previous prime is 135515533. The next prime is 135515561. The reversal of 135515545 is 545515531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135515545 - 2⁷ = 135515417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135515545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231905 + ... + 1232014.

It is an arithmetic number, because the mean of its divisors is an integer number (22175280).

Almost surely, 2^135515545 is an apocalyptic number.

It is an amenable number.

135515545 is a deficient number, since it is larger than the sum of its proper divisors (41886695).

135515545 is a wasteful number, since it uses less digits than its factorization.

135515545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463935.

The product of its digits is 37500, while the sum is 34.

The square root of 135515545 is about 11641.1144225972. The cubic root of 135515545 is about 513.6449689880.

It can be divided in two parts, 1355 and 15545, that added together give a square (16900 = 130²).

The spelling of 135515545 in words is "one hundred thirty-five million, five hundred fifteen thousand, five hundred forty-five".