1361213135 has 8 divisors (see below), whose sum is σ = 1635375840. Its totient is φ = 1087690464.

The previous prime is 1361213129. The next prime is 1361213153. The reversal of 1361213135 is 5313121631.

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 1361213135 - 2¹⁸ = 1360950991 is a prime.

It is a congruent 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, 155315 + ... + 163844.

It is an arithmetic number, because the mean of its divisors is an integer number (204421980).

Almost surely, 2^1361213135 is an apocalyptic number.

1361213135 is a deficient number, since it is larger than the sum of its proper divisors (274162705).

1361213135 is an equidigital number, since it uses as much as digits as its factorization.

1361213135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320017.

The product of its digits is 1620, while the sum is 26.

The square root of 1361213135 is about 36894.6220335702. The cubic root of 1361213135 is about 1108.2609825322.

Adding to 1361213135 its reverse (5313121631), we get a palindrome (6674334766).

The spelling of 1361213135 in words is "one billion, three hundred sixty-one million, two hundred thirteen thousand, one hundred thirty-five".