1365156 has 36 divisors (see below), whose sum is σ = 3717532. Its totient is φ = 419904.

The previous prime is 1365149. The next prime is 1365163. The reversal of 1365156 is 6515631.

It is a happy number.

1365156 is a `hidden beast` number, since 1 + 3 + 651 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1365149) and next prime (1365163).

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 443556 = 960^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991 + ... + 1926.

2^1365156 is an apocalyptic number.

It is an amenable number.

1365156 is an abundant number, since it is smaller than the sum of its proper divisors (2352376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1365156 is a wasteful number, since it uses less digits than its factorization.

1365156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2935 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1365156 is about 1168.3989044843. The cubic root of 1365156 is about 110.9330007168.

It can be divided in two parts, 1365 and 156, that added together give a square (1521 = 39²).

The spelling of 1365156 in words is "one million, three hundred sixty-five thousand, one hundred fifty-six".