1375149 has 8 divisors (see below), whose sum is σ = 1840000. Its totient is φ = 913536.

The previous prime is 1375141. The next prime is 1375159. The reversal of 1375149 is 9415731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1375149 - 2³ = 1375141 is a prime.

It is a Duffinian number.

1375149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375141) 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, 477 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (230000).

2^1375149 is an apocalyptic number.

It is an amenable number.

1375149 is a deficient number, since it is larger than the sum of its proper divisors (464851).

1375149 is a wasteful number, since it uses less digits than its factorization.

1375149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its digits is 3780, while the sum is 30.

The square root of 1375149 is about 1172.6674720482. The cubic root of 1375149 is about 111.2030210262.

The spelling of 1375149 in words is "one million, three hundred seventy-five thousand, one hundred forty-nine".