1375632345 has 8 divisors (see below), whose sum is σ = 2201011776. Its totient is φ = 733670576.

The previous prime is 1375632341. The next prime is 1375632353. The reversal of 1375632345 is 5432365731.

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 1375632345 - 2² = 1375632341 is a prime.

It is a super-2 number, since 2×1375632345² = 3784728697220398050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1375632341) 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, 45854397 + ... + 45854426.

It is an arithmetic number, because the mean of its divisors is an integer number (275126472).

Almost surely, 2^1375632345 is an apocalyptic number.

1375632345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375632345 is a deficient number, since it is larger than the sum of its proper divisors (825379431).

1375632345 is an equidigital number, since it uses as much as digits as its factorization.

1375632345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91708831.

The product of its digits is 226800, while the sum is 39.

The square root of 1375632345 is about 37089.5179936326. The cubic root of 1375632345 is about 1112.1604825164.

The spelling of 1375632345 in words is "one billion, three hundred seventy-five million, six hundred thirty-two thousand, three hundred forty-five".