218763142 has 16 divisors (see below), whose sum is σ = 356821920. Its totient is φ = 99986112.

The previous prime is 218763133. The next prime is 218763151. The reversal of 218763142 is 241367812.

It is an interprime number because it is at equal distance from previous prime (218763133) and next prime (218763151).

It is a junction number, because it is equal to n+sod(n) for n = 218763098 and 218763107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38167 + ... + 43522.

It is an arithmetic number, because the mean of its divisors is an integer number (22301370).

Almost surely, 2^218763142 is an apocalyptic number.

218763142 is a deficient number, since it is larger than the sum of its proper divisors (138058778).

218763142 is a wasteful number, since it uses less digits than its factorization.

218763142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81807.

The product of its digits is 16128, while the sum is 34.

The square root of 218763142 is about 14790.6437317650. The cubic root of 218763142 is about 602.5476321220.

The spelling of 218763142 in words is "two hundred eighteen million, seven hundred sixty-three thousand, one hundred forty-two".