1348207145 has 4 divisors (see below), whose sum is σ = 1617848580. Its totient is φ = 1078565712.

The previous prime is 1348207139. The next prime is 1348207183. The reversal of 1348207145 is 5417028431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 673298704 + 674908441 = 25948^2 + 25979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348207145 - 2⁸ = 1348206889 is a prime.

It is a Curzon number.

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, 134820710 + ... + 134820719.

It is an arithmetic number, because the mean of its divisors is an integer number (404462145).

Almost surely, 2^1348207145 is an apocalyptic number.

It is an amenable number.

1348207145 is a deficient number, since it is larger than the sum of its proper divisors (269641435).

1348207145 is an equidigital number, since it uses as much as digits as its factorization.

1348207145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269641434.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1348207145 is about 36717.9403697974. The cubic root of 1348207145 is about 1104.7199784569.

The spelling of 1348207145 in words is "one billion, three hundred forty-eight million, two hundred seven thousand, one hundred forty-five".