1375254865 has 32 divisors (see below), whose sum is σ = 1874171520. Its totient is φ = 962417664.

The previous prime is 1375254851. The next prime is 1375254871. The reversal of 1375254865 is 5684525731.

It is a cyclic number.

It is not a de Polignac number, because 1375254865 - 2¹¹ = 1375252817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77562 + ... + 93628.

It is an arithmetic number, because the mean of its divisors is an integer number (58567860).

Almost surely, 2^1375254865 is an apocalyptic number.

It is an amenable number.

1375254865 is a deficient number, since it is larger than the sum of its proper divisors (498916655).

1375254865 is a wasteful number, since it uses less digits than its factorization.

1375254865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161.

The product of its digits is 1008000, while the sum is 46.

The square root of 1375254865 is about 37084.4288752031. The cubic root of 1375254865 is about 1112.0587458505.

The spelling of 1375254865 in words is "one billion, three hundred seventy-five million, two hundred fifty-four thousand, eight hundred sixty-five".