136740252432 has 160 divisors (see below), whose sum is σ = 407311073280. Its totient is φ = 38721623040.

The previous prime is 136740252421. The next prime is 136740252433. The reversal of 136740252432 is 234252047631.

It is not an unprimeable number, because it can be changed into a prime (136740252433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18158044 + ... + 18165572.

It is an arithmetic number, because the mean of its divisors is an integer number (2545694208).

Almost surely, 2^136740252432 is an apocalyptic number.

136740252432 is a gapful number since it is divisible by the number (12) 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 136740252432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203655536640).

136740252432 is an abundant number, since it is smaller than the sum of its proper divisors (270570820848).

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

136740252432 is a wasteful number, since it uses less digits than its factorization.

136740252432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021 (or 8015 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 136740252432 in words is "one hundred thirty-six billion, seven hundred forty million, two hundred fifty-two thousand, four hundred thirty-two".