1356020255 has 4 divisors (see below), whose sum is σ = 1627224312. Its totient is φ = 1084816200.

The previous prime is 1356020231. The next prime is 1356020261. The reversal of 1356020255 is 5520206531.

It is a happy number.

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

It is not a de Polignac number, because 1356020255 - 2²⁴ = 1339243039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135602021 + ... + 135602030.

It is an arithmetic number, because the mean of its divisors is an integer number (406806078).

Almost surely, 2^1356020255 is an apocalyptic number.

1356020255 is a deficient number, since it is larger than the sum of its proper divisors (271204057).

1356020255 is an equidigital number, since it uses as much as digits as its factorization.

1356020255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271204056.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1356020255 is about 36824.1803031649. The cubic root of 1356020255 is about 1106.8498882640.

Adding to 1356020255 its reverse (5520206531), we get a palindrome (6876226786).

The spelling of 1356020255 in words is "one billion, three hundred fifty-six million, twenty thousand, two hundred fifty-five".