136573710420 has 144 divisors (see below), whose sum is σ = 445019012928. Its totient is φ = 31204293120.

The previous prime is 136573710397. The next prime is 136573710451. The reversal of 136573710420 is 24017375631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8673955 + ... + 8689685.

It is an arithmetic number, because the mean of its divisors is an integer number (3090409812).

Almost surely, 2^136573710420 is an apocalyptic number.

136573710420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136573710420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222509506464).

136573710420 is an abundant number, since it is smaller than the sum of its proper divisors (308445302508).

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

136573710420 is a wasteful number, since it uses less digits than its factorization.

136573710420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710 (or 18701 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 136573710420 in words is "one hundred thirty-six billion, five hundred seventy-three million, seven hundred ten thousand, four hundred twenty".