1675138345 has 8 divisors (see below), whose sum is σ = 2024628480. Its totient is φ = 1330469040.

The previous prime is 1675138343. The next prime is 1675138349. The reversal of 1675138345 is 5438315761.

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

It is not a de Polignac number, because 1675138345 - 2¹ = 1675138343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1675138343) 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, 1204441 + ... + 1205830.

It is an arithmetic number, because the mean of its divisors is an integer number (253078560).

Almost surely, 2^1675138345 is an apocalyptic number.

It is an amenable number.

1675138345 is a deficient number, since it is larger than the sum of its proper divisors (349490135).

1675138345 is a wasteful number, since it uses less digits than its factorization.

1675138345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410415.

The product of its digits is 302400, while the sum is 43.

The square root of 1675138345 is about 40928.4539776425. The cubic root of 1675138345 is about 1187.6365644605.

The spelling of 1675138345 in words is "one billion, six hundred seventy-five million, one hundred thirty-eight thousand, three hundred forty-five".