1409149 has 4 divisors (see below), whose sum is σ = 1610464. Its totient is φ = 1207836.

The previous prime is 1409117. The next prime is 1409159. The reversal of 1409149 is 9419041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1409149 - 2⁵ = 1409117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100647 + ... + 100660.

It is an arithmetic number, because the mean of its divisors is an integer number (402616).

2^1409149 is an apocalyptic number.

It is an amenable number.

1409149 is a deficient number, since it is larger than the sum of its proper divisors (201315).

1409149 is an equidigital number, since it uses as much as digits as its factorization.

1409149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201314.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1409149 is about 1187.0758189770. The cubic root of 1409149 is about 112.1120530351.

The spelling of 1409149 in words is "one million, four hundred nine thousand, one hundred forty-nine".