1343235139 has 2 divisors, whose sum is σ = 1343235140. Its totient is φ = 1343235138.

The previous prime is 1343235119. The next prime is 1343235193. The reversal of 1343235139 is 9315323431.

Together with next prime (1343235193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343235139 - 2²⁵ = 1309680707 is a prime.

It is a super-3 number, since 3×1343235139³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1343235119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671617569 + 671617570.

It is an arithmetic number, because the mean of its divisors is an integer number (671617570).

Almost surely, 2^1343235139 is an apocalyptic number.

1343235139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343235139 is an equidigital number, since it uses as much as digits as its factorization.

1343235139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 1343235139 is about 36650.1724279709. The cubic root of 1343235139 is about 1103.3602862340.

The spelling of 1343235139 in words is "one billion, three hundred forty-three million, two hundred thirty-five thousand, one hundred thirty-nine".