135780234678 has 48 divisors (see below), whose sum is σ = 320959740816. Its totient is φ = 41142366720.

The previous prime is 135780234677. The next prime is 135780234683. The reversal of 135780234678 is 876432087531.

It is a happy number.

135780234678 is a `hidden beast` number, since 1 + 3 + 578 + 0 + 2 + 3 + 4 + 67 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135780234673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4664826 + ... + 4693842.

It is an arithmetic number, because the mean of its divisors is an integer number (6686661267).

Almost surely, 2^135780234678 is an apocalyptic number.

135780234678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135780234678 is an abundant number, since it is smaller than the sum of its proper divisors (185179506138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135780234678 is a wasteful number, since it uses less digits than its factorization.

135780234678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52669 (or 52666 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 135780234678 in words is "one hundred thirty-five billion, seven hundred eighty million, two hundred thirty-four thousand, six hundred seventy-eight".