136878224085474 has 32 divisors (see below), whose sum is σ = 289862438538816. Its totient is φ = 42941792409600.

The previous prime is 136878224085469. The next prime is 136878224085481. The reversal of 136878224085474 is 474580422878631.

It is a junction number, because it is equal to n+sod(n) for n = 136878224085399 and 136878224085408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047249 + ... + 17298299.

It is an arithmetic number, because the mean of its divisors is an integer number (9058201204338).

Almost surely, 2^{136878224085474} is an apocalyptic number.

136878224085474 is an abundant number, since it is smaller than the sum of its proper divisors (152984214453342).

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

136878224085474 is a wasteful number, since it uses less digits than its factorization.

136878224085474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360610.

The product of its (nonzero) digits is 578027520, while the sum is 69.

The spelling of 136878224085474 in words is "one hundred thirty-six trillion, eight hundred seventy-eight billion, two hundred twenty-four million, eighty-five thousand, four hundred seventy-four".