1375001265145 has 8 divisors (see below), whose sum is σ = 1662045325704. Its totient is φ = 1091971807104.

The previous prime is 1375001265139. The next prime is 1375001265227. The reversal of 1375001265145 is 5415621005731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65581063744 + 1309420201401 = 256088^2 + 1144299^2 .

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 1375001265145 - 2¹³ = 1375001256953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1375001265098 and 1375001265107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003649874 + ... + 1003651243.

It is an arithmetic number, because the mean of its divisors is an integer number (207755665713).

Almost surely, 2^{1375001265145} is an apocalyptic number.

It is an amenable number.

1375001265145 is a deficient number, since it is larger than the sum of its proper divisors (287044060559).

1375001265145 is a wasteful number, since it uses less digits than its factorization.

1375001265145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007301259.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 1375001265145 in words is "one trillion, three hundred seventy-five billion, one million, two hundred sixty-five thousand, one hundred forty-five".