236381440197136 has 80 divisors (see below), whose sum is σ = 498564262438704. Its totient is φ = 107917932920832.

The previous prime is 236381440197107. The next prime is 236381440197167. The reversal of 236381440197136 is 631791044183632.

236381440197136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 28709707124736 + 207671733072400 = 5358144^2 + 14410820^2 .

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, 35534490 + ... + 41658886.

Almost surely, 2^{236381440197136} is an apocalyptic number.

236381440197136 is a gapful number since it is divisible by the number (26) 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 236381440197136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249282131219352).

236381440197136 is an abundant number, since it is smaller than the sum of its proper divisors (262182822241568).

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

236381440197136 is a wasteful number, since it uses less digits than its factorization.

236381440197136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126428 (or 6126422 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 236381440197136 in words is "two hundred thirty-six trillion, three hundred eighty-one billion, four hundred forty million, one hundred ninety-seven thousand, one hundred thirty-six".