1361194135 has 16 divisors (see below), whose sum is σ = 1892356416. Its totient is φ = 920602368.

The previous prime is 1361194129. The next prime is 1361194183. The reversal of 1361194135 is 5314911631.

It is not a de Polignac number, because 1361194135 - 2⁵ = 1361194103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361194135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263824 + ... + 268933.

It is an arithmetic number, because the mean of its divisors is an integer number (118272276).

Almost surely, 2^1361194135 is an apocalyptic number.

1361194135 is a deficient number, since it is larger than the sum of its proper divisors (531162281).

1361194135 is an equidigital number, since it uses as much as digits as its factorization.

1361194135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532842.

The product of its digits is 9720, while the sum is 34.

The square root of 1361194135 is about 36894.3645425694. The cubic root of 1361194135 is about 1108.2558260885.

The spelling of 1361194135 in words is "one billion, three hundred sixty-one million, one hundred ninety-four thousand, one hundred thirty-five".