1375046864 has 20 divisors (see below), whose sum is σ = 2678878020. Its totient is φ = 683723520.

The previous prime is 1375046863. The next prime is 1375046867. The reversal of 1375046864 is 4686405731.

It can be written as a sum of positive squares in 2 ways, for example, as 331240000 + 1043806864 = 18200^2 + 32308^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375046863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234509 + ... + 240300.

It is an arithmetic number, because the mean of its divisors is an integer number (133943901).

Almost surely, 2^1375046864 is an apocalyptic number.

It is an amenable number.

1375046864 is a deficient number, since it is larger than the sum of its proper divisors (1303831156).

1375046864 is a wasteful number, since it uses less digits than its factorization.

1375046864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474998 (or 474992 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 1375046864 is about 37081.6243441411. The cubic root of 1375046864 is about 1112.0026784263.

The spelling of 1375046864 in words is "one billion, three hundred seventy-five million, forty-six thousand, eight hundred sixty-four".