2136336240 has 80 divisors (see below), whose sum is σ = 6713418528. Its totient is φ = 561881088.

The previous prime is 2136336233. The next prime is 2136336247. The reversal of 2136336240 is 426336312.

It is an interprime number because it is at equal distance from previous prime (2136336233) and next prime (2136336247).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2136336198 and 2136336207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136336247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43449 + ... + 78488.

Almost surely, 2^2136336240 is an apocalyptic number.

2136336240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136336240 is an abundant number, since it is smaller than the sum of its proper divisors (4577082288).

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

2136336240 is a wasteful number, since it uses less digits than its factorization.

2136336240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122026 (or 122020 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 2136336240 is about 46220.5175219837. The cubic root of 2136336240 is about 1287.9229118118.

The spelling of 2136336240 in words is "two billion, one hundred thirty-six million, three hundred thirty-six thousand, two hundred forty".