135772256 has 12 divisors (see below), whose sum is σ = 267301692. Its totient is φ = 67886112.

The previous prime is 135772223. The next prime is 135772261. The reversal of 135772256 is 652277531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121410 + ... + 2121473.

It is an arithmetic number, because the mean of its divisors is an integer number (22275141).

Almost surely, 2^135772256 is an apocalyptic number.

135772256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135772256 is a deficient number, since it is larger than the sum of its proper divisors (131529436).

135772256 is an equidigital number, since it uses as much as digits as its factorization.

135772256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242893 (or 4242885 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 135772256 is about 11652.1352549651. The cubic root of 135772256 is about 513.9691018889.

The spelling of 135772256 in words is "one hundred thirty-five million, seven hundred seventy-two thousand, two hundred fifty-six".