1375958145 has 8 divisors (see below), whose sum is σ = 2201533056. Its totient is φ = 733844336.

The previous prime is 1375958137. The next prime is 1375958149. The reversal of 1375958145 is 5418595731.

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 1375958145 - 2³ = 1375958137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375958094 and 1375958103.

It is not an unprimeable number, because it can be changed into a prime (1375958149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45865257 + ... + 45865286.

It is an arithmetic number, because the mean of its divisors is an integer number (275191632).

Almost surely, 2^1375958145 is an apocalyptic number.

1375958145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375958145 is a deficient number, since it is larger than the sum of its proper divisors (825574911).

1375958145 is an equidigital number, since it uses as much as digits as its factorization.

1375958145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91730551.

The product of its digits is 756000, while the sum is 48.

The square root of 1375958145 is about 37093.9098101023. The cubic root of 1375958145 is about 1112.2482756648.

The spelling of 1375958145 in words is "one billion, three hundred seventy-five million, nine hundred fifty-eight thousand, one hundred forty-five".