135646256 has 10 divisors (see below), whose sum is σ = 262814652. Its totient is φ = 67823120.

The previous prime is 135646243. The next prime is 135646261. The reversal of 135646256 is 652646531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4238930 + ... + 4238961.

Almost surely, 2^135646256 is an apocalyptic number.

135646256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135646256 is a deficient number, since it is larger than the sum of its proper divisors (127168396).

135646256 is an equidigital number, since it uses as much as digits as its factorization.

135646256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477899 (or 8477893 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 135646256 is about 11646.7272656313. The cubic root of 135646256 is about 513.8100606825.

The spelling of 135646256 in words is "one hundred thirty-five million, six hundred forty-six thousand, two hundred fifty-six".