2136554460 has 108 divisors (see below), whose sum is σ = 6563712792. Its totient is φ = 562556736.

The previous prime is 2136554449. The next prime is 2136554501. The reversal of 2136554460 is 644556312.

2136554460 is a `hidden beast` number, since 21 + 36 + 5 + 544 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1239159 + ... + 1240881.

Almost surely, 2^2136554460 is an apocalyptic number.

2136554460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136554460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281856396).

2136554460 is an abundant number, since it is smaller than the sum of its proper divisors (4427158332).

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

2136554460 is a wasteful number, since it uses less digits than its factorization.

2136554460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2136554460 is about 46222.8781016501. The cubic root of 2136554460 is about 1287.9667627381.

The spelling of 2136554460 in words is "two billion, one hundred thirty-six million, five hundred fifty-four thousand, four hundred sixty".