2136319146440 has 32 divisors (see below), whose sum is σ = 4823823863160. Its totient is φ = 851486630400.

The previous prime is 2136319146439. The next prime is 2136319146463. The reversal of 2136319146440 is 446419136312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1640863645444 + 495455500996 = 1280962^2 + 703886^2 .

It is a super-2 number, since 2×2136319146440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2136319146391 and 2136319146400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95020751 + ... + 95043230.

Almost surely, 2^{2136319146440} is an apocalyptic number.

2136319146440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136319146440 is an abundant number, since it is smaller than the sum of its proper divisors (2687504716720).

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

2136319146440 is a wasteful number, since it uses less digits than its factorization.

2136319146440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190064273 (or 190064269 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 2136319146440 in words is "two trillion, one hundred thirty-six billion, three hundred nineteen million, one hundred forty-six thousand, four hundred forty".