1341356945 has 4 divisors (see below), whose sum is σ = 1609628340. Its totient is φ = 1073085552.

The previous prime is 1341356909. The next prime is 1341356953. The reversal of 1341356945 is 5496531431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5496531431 = 383 ⋅14351257.

It can be written as a sum of positive squares in 2 ways, for example, as 388523521 + 952833424 = 19711^2 + 30868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341356945 - 2⁶ = 1341356881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134135690 + ... + 134135699.

It is an arithmetic number, because the mean of its divisors is an integer number (402407085).

Almost surely, 2^1341356945 is an apocalyptic number.

It is an amenable number.

1341356945 is a deficient number, since it is larger than the sum of its proper divisors (268271395).

1341356945 is an equidigital number, since it uses as much as digits as its factorization.

1341356945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268271394.

The product of its digits is 194400, while the sum is 41.

The square root of 1341356945 is about 36624.5402018920. The cubic root of 1341356945 is about 1102.8457842817.

The spelling of 1341356945 in words is "one billion, three hundred forty-one million, three hundred fifty-six thousand, nine hundred forty-five".