1356452239 has 2 divisors, whose sum is σ = 1356452240. Its totient is φ = 1356452238.

The previous prime is 1356452131. The next prime is 1356452249. The reversal of 1356452239 is 9322546531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356452239 - 2¹⁷ = 1356321167 is a prime.

It is a super-2 number, since 2×1356452239² = 3679925353376226242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356452249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678226119 + 678226120.

It is an arithmetic number, because the mean of its divisors is an integer number (678226120).

Almost surely, 2^1356452239 is an apocalyptic number.

1356452239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356452239 is an equidigital number, since it uses as much as digits as its factorization.

1356452239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 40.

The square root of 1356452239 is about 36830.0453298662. The cubic root of 1356452239 is about 1106.9674112572.

The spelling of 1356452239 in words is "one billion, three hundred fifty-six million, four hundred fifty-two thousand, two hundred thirty-nine".