1308775073 has 8 divisors (see below), whose sum is σ = 1386451080. Its totient is φ = 1231175680.

The previous prime is 1308774991. The next prime is 1308775093. The reversal of 1308775073 is 3705778031.

It can be written as a sum of positive squares in 4 ways, for example, as 381694369 + 927080704 = 19537^2 + 30448^2 .

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 1308775073 - 2¹⁶ = 1308709537 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 1308775073.

It is not an unprimeable number, because it can be changed into a prime (1308775093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18113 + ... + 54273.

It is an arithmetic number, because the mean of its divisors is an integer number (173306385).

Almost surely, 2^1308775073 is an apocalyptic number.

It is an amenable number.

1308775073 is a deficient number, since it is larger than the sum of its proper divisors (77676007).

1308775073 is a wasteful number, since it uses less digits than its factorization.

1308775073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38307.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 1308775073 is about 36176.9964618402. The cubic root of 1308775073 is about 1093.8430328354.

The spelling of 1308775073 in words is "one billion, three hundred eight million, seven hundred seventy-five thousand, seventy-three".