219140051 has 8 divisors (see below), whose sum is σ = 236116944. Its totient is φ = 202180320.

The previous prime is 219140027. The next prime is 219140059. The reversal of 219140051 is 150041912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219140051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219139999 and 219140026.

It is not an unprimeable number, because it can be changed into a prime (219140059) 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, 37040 + ... + 42546.

It is an arithmetic number, because the mean of its divisors is an integer number (29514618).

Almost surely, 2^219140051 is an apocalyptic number.

219140051 is a deficient number, since it is larger than the sum of its proper divisors (16976893).

219140051 is a wasteful number, since it uses less digits than its factorization.

219140051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 219140051 is about 14803.3797154569. The cubic root of 219140051 is about 602.8934785028.

Adding to 219140051 its reverse (150041912), we get a palindrome (369181963).

The spelling of 219140051 in words is "two hundred nineteen million, one hundred forty thousand, fifty-one".