134640322 has 4 divisors (see below), whose sum is σ = 201960486. Its totient is φ = 67320160.

The previous prime is 134640313. The next prime is 134640329. The reversal of 134640322 is 223046431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223046431 = 2801 ⋅79631.

It can be written as a sum of positive squares in only one way, i.e., 134583201 + 57121 = 11601^2 + 239^2 .

It is not an unprimeable number, because it can be changed into a prime (134640329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33660079 + ... + 33660082.

Almost surely, 2^134640322 is an apocalyptic number.

134640322 is a deficient number, since it is larger than the sum of its proper divisors (67320164).

134640322 is an equidigital number, since it uses as much as digits as its factorization.

134640322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67320163.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 134640322 is about 11603.4616386663. The cubic root of 134640322 is about 512.5367930753.

Adding to 134640322 its reverse (223046431), we get a palindrome (357686753).

The spelling of 134640322 in words is "one hundred thirty-four million, six hundred forty thousand, three hundred twenty-two".