1306902145 has 8 divisors (see below), whose sum is σ = 1571403456. Its totient is φ = 1043441136.

The previous prime is 1306902133. The next prime is 1306902193. The reversal of 1306902145 is 5412096031.

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 1306902145 - 2¹¹ = 1306900097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257307 + ... + 262336.

It is an arithmetic number, because the mean of its divisors is an integer number (196425432).

Almost surely, 2^1306902145 is an apocalyptic number.

It is an amenable number.

1306902145 is a deficient number, since it is larger than the sum of its proper divisors (264501311).

1306902145 is an equidigital number, since it uses as much as digits as its factorization.

1306902145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520151.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1306902145 is about 36151.1015738110. The cubic root of 1306902145 is about 1093.3210008668.

Adding to 1306902145 its reverse (5412096031), we get a palindrome (6718998176).

The spelling of 1306902145 in words is "one billion, three hundred six million, nine hundred two thousand, one hundred forty-five".