1375001375 has 32 divisors (see below), whose sum is σ = 1890727488. Its totient is φ = 990000000.

The previous prime is 1375001371. The next prime is 1375001393. The reversal of 1375001375 is 5731005731.

It is not a de Polignac number, because 1375001375 - 2² = 1375001371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375001371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133925 + ... + 143825.

It is an arithmetic number, because the mean of its divisors is an integer number (59085234).

Almost surely, 2^1375001375 is an apocalyptic number.

1375001375 is a deficient number, since it is larger than the sum of its proper divisors (515726113).

1375001375 is a wasteful number, since it uses less digits than its factorization.

1375001375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028 (or 10018 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 1375001375 is about 37081.0109759699. The cubic root of 1375001375 is about 1111.9904159479.

It can be divided in two parts, 137500 and 1375, that multiplied together give a square (189062500 = 13750²).

The spelling of 1375001375 in words is "one billion, three hundred seventy-five million, one thousand, three hundred seventy-five".