201340213386 has 64 divisors (see below), whose sum is σ = 434780172288. Its totient is φ = 61790447808.

The previous prime is 201340213381. The next prime is 201340213387. The reversal of 201340213386 is 683312043102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201340213381) 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, 75041601 + ... + 75044283.

It is an arithmetic number, because the mean of its divisors is an integer number (6793440192).

Almost surely, 2^201340213386 is an apocalyptic number.

201340213386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201340213386 is an abundant number, since it is smaller than the sum of its proper divisors (233439958902).

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

201340213386 is a wasteful number, since it uses less digits than its factorization.

201340213386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 201340213386 its reverse (683312043102), we get a palindrome (884652256488).

The spelling of 201340213386 in words is "two hundred one billion, three hundred forty million, two hundred thirteen thousand, three hundred eighty-six".