1361534 has 4 divisors (see below), whose sum is σ = 2042304. Its totient is φ = 680766.

The previous prime is 1361533. The next prime is 1361573. The reversal of 1361534 is 4351631.

It is a happy number.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340382 + ... + 340385.

It is an arithmetic number, because the mean of its divisors is an integer number (510576).

2^1361534 is an apocalyptic number.

1361534 is a deficient number, since it is larger than the sum of its proper divisors (680770).

1361534 is an equidigital number, since it uses as much as digits as its factorization.

1361534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680769.

The product of its digits is 1080, while the sum is 23.

The square root of 1361534 is about 1166.8478906867. The cubic root of 1361534 is about 110.8348055407.

The spelling of 1361534 in words is "one million, three hundred sixty-one thousand, five hundred thirty-four".