1361759299 has 4 divisors (see below), whose sum is σ = 1361887560. Its totient is φ = 1361631040.

The previous prime is 1361759297. The next prime is 1361759309. The reversal of 1361759299 is 9929571631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1361759299 - 2¹ = 1361759297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361759291) 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 3 ways as a sum of consecutive naturals, for example, 46609 + ... + 69970.

It is an arithmetic number, because the mean of its divisors is an integer number (340471890).

Almost surely, 2^1361759299 is an apocalyptic number.

1361759299 is a deficient number, since it is larger than the sum of its proper divisors (128261).

1361759299 is a wasteful number, since it uses less digits than its factorization.

1361759299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128260.

The product of its digits is 918540, while the sum is 52.

The square root of 1361759299 is about 36902.0229662277. The cubic root of 1361759299 is about 1108.4091864393.

The spelling of 1361759299 in words is "one billion, three hundred sixty-one million, seven hundred fifty-nine thousand, two hundred ninety-nine".