1375534349 has 16 divisors (see below), whose sum is σ = 1601617920. Its totient is φ = 1157036400.

The previous prime is 1375534339. The next prime is 1375534357. The reversal of 1375534349 is 9434355731.

It is a cyclic number.

It is not a de Polignac number, because 1375534349 - 2¹⁶ = 1375468813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375534309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79892 + ... + 95570.

It is an arithmetic number, because the mean of its divisors is an integer number (100101120).

Almost surely, 2^1375534349 is an apocalyptic number.

It is an amenable number.

1375534349 is a deficient number, since it is larger than the sum of its proper divisors (226083571).

1375534349 is a wasteful number, since it uses less digits than its factorization.

1375534349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920.

The product of its digits is 680400, while the sum is 44.

The square root of 1375534349 is about 37088.1968960477. The cubic root of 1375534349 is about 1112.1340728760.

The spelling of 1375534349 in words is "one billion, three hundred seventy-five million, five hundred thirty-four thousand, three hundred forty-nine".