136502620740 has 288 divisors, whose sum is σ = 464220731520. Its totient is φ = 33552009216.

The previous prime is 136502620739. The next prime is 136502620747. The reversal of 136502620740 is 47026205631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 136502620695 and 136502620704.

It is not an unprimeable number, because it can be changed into a prime (136502620747) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3396604 + ... + 3436556.

It is an arithmetic number, because the mean of its divisors is an integer number (1611877540).

Almost surely, 2^136502620740 is an apocalyptic number.

136502620740 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 136502620740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232110365760).

136502620740 is an abundant number, since it is smaller than the sum of its proper divisors (327718110780).

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

136502620740 is a wasteful number, since it uses less digits than its factorization.

136502620740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40033 (or 40019 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 136502620740 in words is "one hundred thirty-six billion, five hundred two million, six hundred twenty thousand, seven hundred forty".