1375538 has 16 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 618816.

The previous prime is 1375531. The next prime is 1375547. The reversal of 1375538 is 8355731.

It is not an unprimeable number, because it can be changed into a prime (1375531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2^1375538 is an apocalyptic number.

1375538 is a deficient number, since it is larger than the sum of its proper divisors (905422).

1375538 is a wasteful number, since it uses less digits than its factorization.

1375538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801.

The product of its digits is 12600, while the sum is 32.

The square root of 1375538 is about 1172.8333214912. The cubic root of 1375538 is about 111.2135056833.

The spelling of 1375538 in words is "one million, three hundred seventy-five thousand, five hundred thirty-eight".