219713740 has 24 divisors (see below), whose sum is σ = 476284032. Its totient is φ = 85050240.

The previous prime is 219713719. The next prime is 219713749. The reversal of 219713740 is 47317912.

It is a junction number, because it is equal to n+sod(n) for n = 219713696 and 219713705.

It is not an unprimeable number, because it can be changed into a prime (219713749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176569 + ... + 177808.

It is an arithmetic number, because the mean of its divisors is an integer number (19845168).

Almost surely, 2^219713740 is an apocalyptic number.

219713740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219713740 is an abundant number, since it is smaller than the sum of its proper divisors (256570292).

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

219713740 is a wasteful number, since it uses less digits than its factorization.

219713740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354417 (or 354415 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 219713740 is about 14822.7440104726. The cubic root of 219713740 is about 603.4191270878.

The spelling of 219713740 in words is "two hundred nineteen million, seven hundred thirteen thousand, seven hundred forty".