135335146 has 4 divisors (see below), whose sum is σ = 203002722. Its totient is φ = 67667572.

The previous prime is 135335143. The next prime is 135335173. The reversal of 135335146 is 641533531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641533531 = 2281 ⋅281251.

It can be written as a sum of positive squares in only one way, i.e., 134304921 + 1030225 = 11589^2 + 1015^2 .

It is not an unprimeable number, because it can be changed into a prime (135335143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33833785 + ... + 33833788.

Almost surely, 2^135335146 is an apocalyptic number.

135335146 is a deficient number, since it is larger than the sum of its proper divisors (67667576).

135335146 is an equidigital number, since it uses as much as digits as its factorization.

135335146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67667575.

The product of its digits is 16200, while the sum is 31.

The square root of 135335146 is about 11633.3634861118. The cubic root of 135335146 is about 513.4169454892.

Adding to 135335146 its reverse (641533531), we get a palindrome (776868677).

The spelling of 135335146 in words is "one hundred thirty-five million, three hundred thirty-five thousand, one hundred forty-six".