1347755137 has 4 divisors (see below), whose sum is σ = 1348179120. Its totient is φ = 1347331156.

The previous prime is 1347755047. The next prime is 1347755147. The reversal of 1347755137 is 7315577431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347755137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1347755093 and 1347755102.

It is not an unprimeable number, because it can be changed into a prime (1347755147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207187 + ... + 213592.

It is an arithmetic number, because the mean of its divisors is an integer number (337044780).

Almost surely, 2^1347755137 is an apocalyptic number.

It is an amenable number.

1347755137 is a deficient number, since it is larger than the sum of its proper divisors (423983).

1347755137 is an equidigital number, since it uses as much as digits as its factorization.

1347755137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423982.

The product of its digits is 308700, while the sum is 43.

The square root of 1347755137 is about 36711.7847155379. The cubic root of 1347755137 is about 1104.5965063123.

The spelling of 1347755137 in words is "one billion, three hundred forty-seven million, seven hundred fifty-five thousand, one hundred thirty-seven".