1375544234 has 4 divisors (see below), whose sum is σ = 2063316354. Its totient is φ = 687772116.

The previous prime is 1375544221. The next prime is 1375544249. The reversal of 1375544234 is 4324455731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1375297225 + 247009 = 37085^2 + 497^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 343886057 + ... + 343886060.

Almost surely, 2^1375544234 is an apocalyptic number.

1375544234 is a deficient number, since it is larger than the sum of its proper divisors (687772120).

1375544234 is an equidigital number, since it uses as much as digits as its factorization.

1375544234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687772119.

The product of its digits is 201600, while the sum is 38.

The square root of 1375544234 is about 37088.3301592293. The cubic root of 1375544234 is about 1112.1367369120.

Adding to 1375544234 its reverse (4324455731), we get a palindrome (5699999965).

The spelling of 1375544234 in words is "one billion, three hundred seventy-five million, five hundred forty-four thousand, two hundred thirty-four".