1347234665 has 12 divisors (see below), whose sum is σ = 1880629956. Its totient is φ = 923817888.

The previous prime is 1347234641. The next prime is 1347234731. The reversal of 1347234665 is 5664327431.

It can be written as a sum of positive squares in 2 ways, for example, as 589664089 + 757570576 = 24283^2 + 27524^2 .

It is not a de Polignac number, because 1347234665 - 2⁸ = 1347234409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2749214 + ... + 2749703.

It is an arithmetic number, because the mean of its divisors is an integer number (156719163).

Almost surely, 2^1347234665 is an apocalyptic number.

It is an amenable number.

1347234665 is a deficient number, since it is larger than the sum of its proper divisors (533395291).

1347234665 is an equidigital number, since it uses as much as digits as its factorization.

1347234665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498936 (or 5498929 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 1347234665 is about 36704.6954080810. The cubic root of 1347234665 is about 1104.4542980929.

The spelling of 1347234665 in words is "one billion, three hundred forty-seven million, two hundred thirty-four thousand, six hundred sixty-five".