135188784056 has 16 divisors (see below), whose sum is σ = 259661384640. Its totient is φ = 65945748160.

The previous prime is 135188784001. The next prime is 135188784103. The reversal of 135188784056 is 650487881531.

It is a super-2 number, since 2×135188784056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135188783992 and 135188784010.

It is a congruent number.

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, 206080136 + ... + 206080791.

It is an arithmetic number, because the mean of its divisors is an integer number (16228836540).

Almost surely, 2^135188784056 is an apocalyptic number.

It is an amenable number.

135188784056 is a deficient number, since it is larger than the sum of its proper divisors (124472600584).

135188784056 is a wasteful number, since it uses less digits than its factorization.

135188784056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412160974 (or 412160970 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 135188784056 in words is "one hundred thirty-five billion, one hundred eighty-eight million, seven hundred eighty-four thousand, fifty-six".