136344379938 has 64 divisors (see below), whose sum is σ = 300110469120. Its totient is φ = 41032487232.

The previous prime is 136344379877. The next prime is 136344379949. The reversal of 136344379938 is 839973443631.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5953153 + ... + 5976011.

It is an arithmetic number, because the mean of its divisors is an integer number (4689226080).

Almost surely, 2^136344379938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136344379938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150055234560).

136344379938 is an abundant number, since it is smaller than the sum of its proper divisors (163766089182).

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

136344379938 is a wasteful number, since it uses less digits than its factorization.

136344379938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24551.

The product of its digits is 35271936, while the sum is 60.

The spelling of 136344379938 in words is "one hundred thirty-six billion, three hundred forty-four million, three hundred seventy-nine thousand, nine hundred thirty-eight".