1312140002 has 8 divisors (see below), whose sum is σ = 2083987116. Its totient is φ = 617477632.

The previous prime is 1312139977. The next prime is 1312140017. The reversal of 1312140002 is 2000412131.

It can be written as a sum of positive squares in 2 ways, for example, as 1299530401 + 12609601 = 36049^2 + 3551^2 .

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

It is a super-2 number, since 2×1312140002² = 3443422769697120008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19296143 + ... + 19296210.

Almost surely, 2^1312140002 is an apocalyptic number.

1312140002 is a deficient number, since it is larger than the sum of its proper divisors (771847114).

1312140002 is a wasteful number, since it uses less digits than its factorization.

1312140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38592372.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1312140002 is about 36223.4730803108. The cubic root of 1312140002 is about 1094.7796730799.

Adding to 1312140002 its reverse (2000412131), we get a palindrome (3312552133).

The spelling of 1312140002 in words is "one billion, three hundred twelve million, one hundred forty thousand, two".