1344156139 has 2 divisors, whose sum is σ = 1344156140. Its totient is φ = 1344156138.

The previous prime is 1344156103. The next prime is 1344156169. The reversal of 1344156139 is 9316514431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1344156139 - 2¹³ = 1344147947 is a prime.

It is a super-2 number, since 2×1344156139² = 3613511452022774642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344156098 and 1344156107.

It is not a weakly prime, because it can be changed into another prime (1344156169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672078069 + 672078070.

It is an arithmetic number, because the mean of its divisors is an integer number (672078070).

Almost surely, 2^1344156139 is an apocalyptic number.

1344156139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344156139 is an equidigital number, since it uses as much as digits as its factorization.

1344156139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 1344156139 is about 36662.7350179989. The cubic root of 1344156139 is about 1103.6124045784.

The spelling of 1344156139 in words is "one billion, three hundred forty-four million, one hundred fifty-six thousand, one hundred thirty-nine".