1356545219 has 2 divisors, whose sum is σ = 1356545220. Its totient is φ = 1356545218.

The previous prime is 1356545173. The next prime is 1356545233. The reversal of 1356545219 is 9125456531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356545219 - 2²⁰ = 1355496643 is a prime.

It is a super-2 number, since 2×1356545219² = 3680429862383515922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1356545249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678272609 + 678272610.

It is an arithmetic number, because the mean of its divisors is an integer number (678272610).

Almost surely, 2^1356545219 is an apocalyptic number.

1356545219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356545219 is an equidigital number, since it uses as much as digits as its factorization.

1356545219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 41.

The square root of 1356545219 is about 36831.3075928618. The cubic root of 1356545219 is about 1106.9927035786.

The spelling of 1356545219 in words is "one billion, three hundred fifty-six million, five hundred forty-five thousand, two hundred nineteen".