136820374476 has 12 divisors (see below), whose sum is σ = 319247540472. Its totient is φ = 45606791488.

The previous prime is 136820374433. The next prime is 136820374489. The reversal of 136820374476 is 674473028631.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5700848925 + ... + 5700848948.

It is an arithmetic number, because the mean of its divisors is an integer number (26603961706).

Almost surely, 2^136820374476 is an apocalyptic number.

It is an amenable number.

136820374476 is an abundant number, since it is smaller than the sum of its proper divisors (182427165996).

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

136820374476 is a wasteful number, since it uses less digits than its factorization.

136820374476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401697880 (or 11401697878 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 136820374476 in words is "one hundred thirty-six billion, eight hundred twenty million, three hundred seventy-four thousand, four hundred seventy-six".