1375552743 has 16 divisors (see below), whose sum is σ = 1932403200. Its totient is φ = 868643424.

The previous prime is 1375552721. The next prime is 1375552753. The reversal of 1375552743 is 3472555731.

It is not a de Polignac number, because 1375552743 - 2⁹ = 1375552231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375552695 and 1375552704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375552753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89668 + ... + 103881.

It is an arithmetic number, because the mean of its divisors is an integer number (120775200).

Almost surely, 2^1375552743 is an apocalyptic number.

1375552743 is a deficient number, since it is larger than the sum of its proper divisors (556850457).

1375552743 is a wasteful number, since it uses less digits than its factorization.

1375552743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193678.

The product of its digits is 441000, while the sum is 42.

The square root of 1375552743 is about 37088.4448716848. Note that the first 3 decimals coincide. The cubic root of 1375552743 is about 1112.1390301018.

The spelling of 1375552743 in words is "one billion, three hundred seventy-five million, five hundred fifty-two thousand, seven hundred forty-three".