1375105473 has 18 divisors (see below), whose sum is σ = 2310552114. Its totient is φ = 785774304.

The previous prime is 1375105463. The next prime is 1375105483. The reversal of 1375105473 is 3745015731.

1375105473 is a `hidden beast` number, since 13 + 75 + 105 + 473 = 666.

It is an interprime number because it is at equal distance from previous prime (1375105463) and next prime (1375105483).

It can be written as a sum of positive squares in only one way, i.e., 1285007409 + 90098064 = 35847^2 + 9492^2 .

It is not a de Polignac number, because 1375105473 - 2⁹ = 1375104961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375105463) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1558636 + ... + 1559517.

Almost surely, 2^1375105473 is an apocalyptic number.

It is an amenable number.

1375105473 is a deficient number, since it is larger than the sum of its proper divisors (935446641).

1375105473 is a wasteful number, since it uses less digits than its factorization.

1375105473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118173 (or 3118163 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 1375105473 is about 37082.4146058479. The cubic root of 1375105473 is about 1112.0184772670.

It can be divided in two parts, 137 and 5105473, that added together give a triangular number (5105610 = T₃₁₉₅).

The spelling of 1375105473 in words is "one billion, three hundred seventy-five million, one hundred five thousand, four hundred seventy-three".