654140000 has 60 divisors (see below), whose sum is σ = 1609331724. Its totient is φ = 261648000.

The previous prime is 654139963. The next prime is 654140009. The reversal of 654140000 is 41456.

It is a happy number.

654140000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654140009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3647 + ... + 36353.

Almost surely, 2^654140000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804665862).

654140000 is an abundant number, since it is smaller than the sum of its proper divisors (955191724).

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

654140000 is an equidigital number, since it uses as much as digits as its factorization.

654140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32737 (or 32714 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 654140000 is about 25576.1607752219. The cubic root of 654140000 is about 868.0743068186.

Adding to 654140000 its reverse (41456), we get a palindrome (654181456).

The spelling of 654140000 in words is "six hundred fifty-four million, one hundred forty thousand".