2136404000 has 48 divisors (see below), whose sum is σ = 5249154456. Its totient is φ = 854560000.

The previous prime is 2136403979. The next prime is 2136404003. The reversal of 2136404000 is 4046312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 784224016 + 1352179984 = 28004^2 + 36772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2136404003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263051 + ... + 271050.

Almost surely, 2^2136404000 is an apocalyptic number.

2136404000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136404000 is an abundant number, since it is smaller than the sum of its proper divisors (3112750456).

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

2136404000 is an equidigital number, since it uses as much as digits as its factorization.

2136404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534126 (or 534108 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2136404000 is about 46221.2505239744. The cubic root of 2136404000 is about 1287.9365283846.

The spelling of 2136404000 in words is "two billion, one hundred thirty-six million, four hundred four thousand".