1361813127 has 4 divisors (see below), whose sum is σ = 1815750840. Its totient is φ = 907875416.

The previous prime is 1361813107. The next prime is 1361813147. The reversal of 1361813127 is 7213181631.

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

It is an interprime number because it is at equal distance from previous prime (1361813107) and next prime (1361813147).

It is a cyclic number.

It is not a de Polignac number, because 1361813127 - 2¹¹ = 1361811079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361813107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226968852 + ... + 226968857.

It is an arithmetic number, because the mean of its divisors is an integer number (453937710).

Almost surely, 2^1361813127 is an apocalyptic number.

1361813127 is a deficient number, since it is larger than the sum of its proper divisors (453937713).

1361813127 is an equidigital number, since it uses as much as digits as its factorization.

1361813127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453937712.

The product of its digits is 6048, while the sum is 33.

The square root of 1361813127 is about 36902.7522957299. The cubic root of 1361813127 is about 1108.4237907490.

Adding to 1361813127 its reverse (7213181631), we get a palindrome (8574994758).

The spelling of 1361813127 in words is "one billion, three hundred sixty-one million, eight hundred thirteen thousand, one hundred twenty-seven".