1375894004 has 6 divisors (see below), whose sum is σ = 2407814514. Its totient is φ = 687947000.

The previous prime is 1375894001. The next prime is 1375894007. The reversal of 1375894004 is 4004985731.

It is an interprime number because it is at equal distance from previous prime (1375894001) and next prime (1375894007).

It can be written as a sum of positive squares in only one way, i.e., 908901904 + 466992100 = 30148^2 + 21610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375894001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171986747 + ... + 171986754.

It is an arithmetic number, because the mean of its divisors is an integer number (401302419).

Almost surely, 2^1375894004 is an apocalyptic number.

It is an amenable number.

1375894004 is a deficient number, since it is larger than the sum of its proper divisors (1031920510).

1375894004 is a wasteful number, since it uses less digits than its factorization.

1375894004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343973505 (or 343973503 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1375894004 is about 37093.0452241387. The cubic root of 1375894004 is about 1112.2309927202.

The spelling of 1375894004 in words is "one billion, three hundred seventy-five million, eight hundred ninety-four thousand, four".