135787820548 has 12 divisors (see below), whose sum is σ = 238020170752. Its totient is φ = 67782057480.

The previous prime is 135787820507. The next prime is 135787820549. The reversal of 135787820548 is 845028787531.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 135787820492 and 135787820501.

It is not an unprimeable number, because it can be changed into a prime (135787820549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27960468 + ... + 27965323.

Almost surely, 2^135787820548 is an apocalyptic number.

It is an amenable number.

135787820548 is a deficient number, since it is larger than the sum of its proper divisors (102232350204).

135787820548 is a wasteful number, since it uses less digits than its factorization.

135787820548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55926402 (or 55926400 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 135787820548 in words is "one hundred thirty-five billion, seven hundred eighty-seven million, eight hundred twenty thousand, five hundred forty-eight".