135456049 has 8 divisors (see below), whose sum is σ = 137730600. Its totient is φ = 133200000.

The previous prime is 135456043. The next prime is 135456053. The reversal of 135456049 is 940654531.

It can be written as a sum of positive squares in 4 ways, for example, as 11289600 + 124166449 = 3360^2 + 11143^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 135456049 - 2²³ = 127067441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135455999 and 135456017.

It is not an unprimeable number, because it can be changed into a prime (135456043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10549 + ... + 19549.

It is an arithmetic number, because the mean of its divisors is an integer number (17216325).

Almost surely, 2^135456049 is an apocalyptic number.

It is an amenable number.

135456049 is a deficient number, since it is larger than the sum of its proper divisors (2274551).

135456049 is a wasteful number, since it uses less digits than its factorization.

135456049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 135456049 is about 11638.5587166109. The cubic root of 135456049 is about 513.5697886967.

The spelling of 135456049 in words is "one hundred thirty-five million, four hundred fifty-six thousand, forty-nine".