135436654953 has 6 divisors (see below), whose sum is σ = 195630723834. Its totient is φ = 90291103296.

The previous prime is 135436654933. The next prime is 135436654957. The reversal of 135436654953 is 359456634531.

135436654953 is a `hidden beast` number, since 1 + 3 + 5 + 43 + 6 + 6 + 549 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83956221504 + 51480433449 = 289752^2 + 226893^2 .

It is not a de Polignac number, because 135436654953 - 2⁶ = 135436654889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135436654953.

It is not an unprimeable number, because it can be changed into a prime (135436654957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7524258600 + ... + 7524258617.

It is an arithmetic number, because the mean of its divisors is an integer number (32605120639).

Almost surely, 2^135436654953 is an apocalyptic number.

It is an amenable number.

135436654953 is a deficient number, since it is larger than the sum of its proper divisors (60194068881).

135436654953 is a wasteful number, since it uses less digits than its factorization.

135436654953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15048517223 (or 15048517220 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 54.

The spelling of 135436654953 in words is "one hundred thirty-five billion, four hundred thirty-six million, six hundred fifty-four thousand, nine hundred fifty-three".