1339626313 has 2 divisors, whose sum is σ = 1339626314. Its totient is φ = 1339626312.

The previous prime is 1339626311. The next prime is 1339626347. The reversal of 1339626313 is 3136269331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1304437689 + 35188624 = 36117^2 + 5932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339626313 - 2¹ = 1339626311 is a prime.

Together with 1339626311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1339626311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669813156 + 669813157.

It is an arithmetic number, because the mean of its divisors is an integer number (669813157).

Almost surely, 2^1339626313 is an apocalyptic number.

It is an amenable number.

1339626313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339626313 is an equidigital number, since it uses as much as digits as its factorization.

1339626313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 37.

The square root of 1339626313 is about 36600.9059040893. The cubic root of 1339626313 is about 1102.3712793058.

The spelling of 1339626313 in words is "one billion, three hundred thirty-nine million, six hundred twenty-six thousand, three hundred thirteen".