219956134 has 8 divisors (see below), whose sum is σ = 330796800. Its totient is φ = 109690536.

The previous prime is 219956123. The next prime is 219956159. The reversal of 219956134 is 431659912.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142809 + ... + 144340.

It is an arithmetic number, because the mean of its divisors is an integer number (41349600).

Almost surely, 2^219956134 is an apocalyptic number.

219956134 is a deficient number, since it is larger than the sum of its proper divisors (110840666).

219956134 is a wasteful number, since it uses less digits than its factorization.

219956134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287534.

The product of its digits is 58320, while the sum is 40.

The square root of 219956134 is about 14830.9181779147. The cubic root of 219956134 is about 603.6409481734.

The spelling of 219956134 in words is "two hundred nineteen million, nine hundred fifty-six thousand, one hundred thirty-four".