136637071340 has 144 divisors (see below), whose sum is σ = 373971336480. Its totient is φ = 41437025280.

The previous prime is 136637071309. The next prime is 136637071381. The reversal of 136637071340 is 43170736631.

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, 227576 + ... + 570144.

It is an arithmetic number, because the mean of its divisors is an integer number (2597023170).

Almost surely, 2^136637071340 is an apocalyptic number.

136637071340 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 136637071340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186985668240).

136637071340 is an abundant number, since it is smaller than the sum of its proper divisors (237334265140).

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

136637071340 is a wasteful number, since it uses less digits than its factorization.

136637071340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342640 (or 342631 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 136637071340 in words is "one hundred thirty-six billion, six hundred thirty-seven million, seventy-one thousand, three hundred forty".