1302135413 has 8 divisors (see below), whose sum is σ = 1338676920. Its totient is φ = 1265664960.

The previous prime is 1302135407. The next prime is 1302135427. The reversal of 1302135413 is 3145312031.

It can be written as a sum of positive squares in 4 ways, for example, as 558046129 + 744089284 = 23623^2 + 27278^2 .

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 1302135413 - 2⁸ = 1302135157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302135013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20543 + ... + 55011.

It is an arithmetic number, because the mean of its divisors is an integer number (167334615).

Almost surely, 2^1302135413 is an apocalyptic number.

It is an amenable number.

1302135413 is a deficient number, since it is larger than the sum of its proper divisors (36541507).

1302135413 is a wasteful number, since it uses less digits than its factorization.

1302135413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35527.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1302135413 is about 36085.1134541656. The cubic root of 1302135413 is about 1091.9901393757.

Adding to 1302135413 its reverse (3145312031), we get a palindrome (4447447444).

The spelling of 1302135413 in words is "one billion, three hundred two million, one hundred thirty-five thousand, four hundred thirteen".