1356155 has 4 divisors (see below), whose sum is σ = 1627392. Its totient is φ = 1084920.

The previous prime is 1356151. The next prime is 1356167. The reversal of 1356155 is 5516531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5516531 = 47 ⋅117373.

It is not a de Polignac number, because 1356155 - 2² = 1356151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135611 + ... + 135620.

It is an arithmetic number, because the mean of its divisors is an integer number (406848).

2^1356155 is an apocalyptic number.

1356155 is a deficient number, since it is larger than the sum of its proper divisors (271237).

1356155 is an equidigital number, since it uses as much as digits as its factorization.

1356155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271236.

The product of its digits is 2250, while the sum is 26.

The square root of 1356155 is about 1164.5406819858. The cubic root of 1356155 is about 110.6886548864.

The spelling of 1356155 in words is "one million, three hundred fifty-six thousand, one hundred fifty-five".