136825783878 has 16 divisors (see below), whose sum is σ = 312744648960. Its totient is φ = 39093081096.

The previous prime is 136825783859. The next prime is 136825783981. The reversal of 136825783878 is 878387528631.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1628878338 + ... + 1628878421.

It is an arithmetic number, because the mean of its divisors is an integer number (19546540560).

Almost surely, 2^136825783878 is an apocalyptic number.

136825783878 is an abundant number, since it is smaller than the sum of its proper divisors (175918865082).

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

136825783878 is a wasteful number, since it uses less digits than its factorization.

136825783878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257756771.

The product of its digits is 108380160, while the sum is 66.

The spelling of 136825783878 in words is "one hundred thirty-six billion, eight hundred twenty-five million, seven hundred eighty-three thousand, eight hundred seventy-eight".