136505426000 has 80 divisors (see below), whose sum is σ = 331781266128. Its totient is φ = 54319104000.

The previous prime is 136505425999. The next prime is 136505426023. The reversal of 136505426000 is 624505631.

It can be written as a sum of positive squares in 8 ways, for example, as 111911659024 + 24593766976 = 334532^2 + 156824^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 209180 + ... + 562820.

Almost surely, 2^136505426000 is an apocalyptic number.

136505426000 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 136505426000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165890633064).

136505426000 is an abundant number, since it is smaller than the sum of its proper divisors (195275840128).

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

136505426000 is a wasteful number, since it uses less digits than its factorization.

136505426000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353857 (or 353841 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 136505426000 in words is "one hundred thirty-six billion, five hundred five million, four hundred twenty-six thousand".