1375317155 has 8 divisors (see below), whose sum is σ = 1650775632. Its totient is φ = 1099990368.

The previous prime is 1375317143. The next prime is 1375317157. The reversal of 1375317155 is 5517135731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375317155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375317157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8264 + ... + 53093.

It is an arithmetic number, because the mean of its divisors is an integer number (206346954).

Almost surely, 2^1375317155 is an apocalyptic number.

1375317155 is a deficient number, since it is larger than the sum of its proper divisors (275458477).

1375317155 is an equidigital number, since it uses as much as digits as its factorization.

1375317155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65845.

The product of its digits is 55125, while the sum is 38.

The square root of 1375317155 is about 37085.2687060509. The cubic root of 1375317155 is about 1112.0755352460.

The spelling of 1375317155 in words is "one billion, three hundred seventy-five million, three hundred seventeen thousand, one hundred fifty-five".