2136240453486 has 8 divisors (see below), whose sum is σ = 4272480906984. Its totient is φ = 712080151160.

The previous prime is 2136240453409. The next prime is 2136240453497. The reversal of 2136240453486 is 6843540426312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2136240453486 is an admirable number.

It is a super-2 number, since 2×2136240453486² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178020037785 + ... + 178020037796.

It is an arithmetic number, because the mean of its divisors is an integer number (534060113373).

Almost surely, 2^{2136240453486} is an apocalyptic number.

2136240453486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2136240453486 is a wasteful number, since it uses less digits than its factorization.

2136240453486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356040075586.

The product of its (nonzero) digits is 3317760, while the sum is 48.

Adding to 2136240453486 its reverse (6843540426312), we get a palindrome (8979780879798).

The spelling of 2136240453486 in words is "two trillion, one hundred thirty-six billion, two hundred forty million, four hundred fifty-three thousand, four hundred eighty-six".