135663773049 has 32 divisors (see below), whose sum is σ = 230681168640. Its totient is φ = 77189417856.

The previous prime is 135663773041. The next prime is 135663773083. The reversal of 135663773049 is 940377366531.

It is a happy number.

135663773049 is a `hidden beast` number, since 1 + 3 + 566 + 3 + 7 + 7 + 30 + 49 = 666.

It is not a de Polignac number, because 135663773049 - 2³ = 135663773041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135663772986 and 135663773004.

It is not an unprimeable number, because it can be changed into a prime (135663773041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496302 + ... + 1584375.

It is an arithmetic number, because the mean of its divisors is an integer number (7208786520).

Almost surely, 2^135663773049 is an apocalyptic number.

It is an amenable number.

135663773049 is a deficient number, since it is larger than the sum of its proper divisors (95017395591).

135663773049 is a wasteful number, since it uses less digits than its factorization.

135663773049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080926 (or 3080920 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 54.

The spelling of 135663773049 in words is "one hundred thirty-five billion, six hundred sixty-three million, seven hundred seventy-three thousand, forty-nine".