135894646 has 4 divisors (see below), whose sum is σ = 203841972. Its totient is φ = 67947322.

The previous prime is 135894643. The next prime is 135894653. The reversal of 135894646 is 646498531.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×135894646² = 36934709622930632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135894596 and 135894605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135894643) by changing a digit.

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 as a sum of consecutive naturals, namely, 33973660 + ... + 33973663.

It is an arithmetic number, because the mean of its divisors is an integer number (50960493).

Almost surely, 2^135894646 is an apocalyptic number.

135894646 is a deficient number, since it is larger than the sum of its proper divisors (67947326).

135894646 is an equidigital number, since it uses as much as digits as its factorization.

135894646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67947325.

The product of its digits is 622080, while the sum is 46.

The square root of 135894646 is about 11657.3858990770. The cubic root of 135894646 is about 514.1234922584.

The spelling of 135894646 in words is "one hundred thirty-five million, eight hundred ninety-four thousand, six hundred forty-six".