1361240517 has 16 divisors (see below), whose sum is σ = 2233831040. Its totient is φ = 718016832.

The previous prime is 1361240501. The next prime is 1361240539. The reversal of 1361240517 is 7150421631.

It is not a de Polignac number, because 1361240517 - 2⁴ = 1361240501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361240557) by changing a digit.

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, 2492842 + ... + 2493387.

It is an arithmetic number, because the mean of its divisors is an integer number (139614440).

Almost surely, 2^1361240517 is an apocalyptic number.

It is an amenable number.

1361240517 is a deficient number, since it is larger than the sum of its proper divisors (872590523).

1361240517 is a wasteful number, since it uses less digits than its factorization.

1361240517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986252.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1361240517 is about 36894.9931155977. The cubic root of 1361240517 is about 1108.2684136974.

The spelling of 1361240517 in words is "one billion, three hundred sixty-one million, two hundred forty thousand, five hundred seventeen".