1347993634 has 8 divisors (see below), whose sum is σ = 2177528220. Its totient is φ = 622150896.

The previous prime is 1347993629. The next prime is 1347993643. The reversal of 1347993634 is 4363997431.

It can be written as a sum of positive squares in 2 ways, for example, as 1095279025 + 252714609 = 33095^2 + 15897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 25922929 + ... + 25922980.

Almost surely, 2^1347993634 is an apocalyptic number.

1347993634 is a deficient number, since it is larger than the sum of its proper divisors (829534586).

1347993634 is a wasteful number, since it uses less digits than its factorization.

1347993634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51845924.

The product of its digits is 1469664, while the sum is 49.

The square root of 1347993634 is about 36715.0328067401. The cubic root of 1347993634 is about 1104.6616584575.

The spelling of 1347993634 in words is "one billion, three hundred forty-seven million, nine hundred ninety-three thousand, six hundred thirty-four".