1361545 has 8 divisors (see below), whose sum is σ = 1641024. Its totient is φ = 1084464.

The previous prime is 1361533. The next prime is 1361573. The reversal of 1361545 is 5451631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361545 - 2⁷ = 1361417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (205128).

2^1361545 is an apocalyptic number.

It is an amenable number.

1361545 is a deficient number, since it is larger than the sum of its proper divisors (279479).

1361545 is an equidigital number, since it uses as much as digits as its factorization.

1361545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 1800, while the sum is 25.

The square root of 1361545 is about 1166.8526042307. The cubic root of 1361545 is about 110.8351040226.

It can be divided in two parts, 136 and 1545, that added together give a square (1681 = 41²).

The spelling of 1361545 in words is "one million, three hundred sixty-one thousand, five hundred forty-five".