134220331 has 8 divisors (see below), whose sum is σ = 154603520. Its totient is φ = 114139368.

The previous prime is 134220293. The next prime is 134220337. The reversal of 134220331 is 133022431.

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

It is not a de Polignac number, because 134220331 - 2²¹ = 132123179 is a prime.

It is a super-2 number, since 2×134220331² = 36030194507499122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134220299 and 134220308.

It is not an unprimeable number, because it can be changed into a prime (134220337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74601 + ... + 76378.

It is an arithmetic number, because the mean of its divisors is an integer number (19325440).

Almost surely, 2^134220331 is an apocalyptic number.

134220331 is a deficient number, since it is larger than the sum of its proper divisors (20383189).

134220331 is a wasteful number, since it uses less digits than its factorization.

134220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151113.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 134220331 is about 11585.3498436603. The cubic root of 134220331 is about 512.0033098643.

Adding to 134220331 its reverse (133022431), we get a palindrome (267242762).

The spelling of 134220331 in words is "one hundred thirty-four million, two hundred twenty thousand, three hundred thirty-one".