1375646159 has 8 divisors (see below), whose sum is σ = 1390465632. Its totient is φ = 1360850400.

The previous prime is 1375646141. The next prime is 1375646201. The reversal of 1375646159 is 9516465731.

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

It is a cyclic number.

It is not a de Polignac number, because 1375646159 - 2¹² = 1375642063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375646119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126377 + ... + 136829.

It is an arithmetic number, because the mean of its divisors is an integer number (173808204).

Almost surely, 2^1375646159 is an apocalyptic number.

1375646159 is a deficient number, since it is larger than the sum of its proper divisors (14819473).

1375646159 is a wasteful number, since it uses less digits than its factorization.

1375646159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11857.

The product of its digits is 680400, while the sum is 47.

The square root of 1375646159 is about 37089.7042182868. The cubic root of 1375646159 is about 1112.1642052489.

The spelling of 1375646159 in words is "one billion, three hundred seventy-five million, six hundred forty-six thousand, one hundred fifty-nine".