1312502133 has 8 divisors (see below), whose sum is σ = 1759672096. Its totient is φ = 870166800.

The previous prime is 1312502131. The next prime is 1312502137. The reversal of 1312502133 is 3312052131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312502133 - 2¹ = 1312502131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312502131) by changing a digit.

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, 1208023 + ... + 1209108.

It is an arithmetic number, because the mean of its divisors is an integer number (219959012).

Almost surely, 2^1312502133 is an apocalyptic number.

It is an amenable number.

1312502133 is a deficient number, since it is larger than the sum of its proper divisors (447169963).

1312502133 is a wasteful number, since it uses less digits than its factorization.

1312502133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417315.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1312502133 is about 36228.4713036584. The cubic root of 1312502133 is about 1094.8803780837.

Adding to 1312502133 its reverse (3312052131), we get a palindrome (4624554264).

The spelling of 1312502133 in words is "one billion, three hundred twelve million, five hundred two thousand, one hundred thirty-three".