1358423959 has 2 divisors, whose sum is σ = 1358423960. Its totient is φ = 1358423958.

The previous prime is 1358423951. The next prime is 1358423971. The reversal of 1358423959 is 9593248531.

It is a weak prime.

It is an emirp because it is prime and its reverse (9593248531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1358423959 - 2³ = 1358423951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1358423951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679211979 + 679211980.

It is an arithmetic number, because the mean of its divisors is an integer number (679211980).

Almost surely, 2^1358423959 is an apocalyptic number.

1358423959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358423959 is an equidigital number, since it uses as much as digits as its factorization.

1358423959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 49.

The square root of 1358423959 is about 36856.8034289465. The cubic root of 1358423959 is about 1107.5035090344.

The spelling of 1358423959 in words is "one billion, three hundred fifty-eight million, four hundred twenty-three thousand, nine hundred fifty-nine".