219135342 has 32 divisors (see below), whose sum is σ = 458634240. Its totient is φ = 69716160.

The previous prime is 219135331. The next prime is 219135347. The reversal of 219135342 is 243531912.

It is a super-3 number, since 3×219135342³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219135347) 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, 5509 + ... + 21647.

It is an arithmetic number, because the mean of its divisors is an integer number (14332320).

Almost surely, 2^219135342 is an apocalyptic number.

219135342 is an abundant number, since it is smaller than the sum of its proper divisors (239498898).

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

219135342 is a wasteful number, since it uses less digits than its factorization.

219135342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248.

The product of its digits is 6480, while the sum is 30.

The square root of 219135342 is about 14803.2206630854. The cubic root of 219135342 is about 602.8891600381.

The spelling of 219135342 in words is "two hundred nineteen million, one hundred thirty-five thousand, three hundred forty-two".