1541139 has 8 divisors (see below), whose sum is σ = 2089920. Its totient is φ = 1009896.

The previous prime is 1541119. The next prime is 1541143. The reversal of 1541139 is 9311451.

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

It is not a de Polignac number, because 1541139 - 2²⁰ = 492563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541119) 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, 4177 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (261240).

2^1541139 is an apocalyptic number.

1541139 is a deficient number, since it is larger than the sum of its proper divisors (548781).

1541139 is an equidigital number, since it uses as much as digits as its factorization.

1541139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769.

The product of its digits is 540, while the sum is 24.

The square root of 1541139 is about 1241.4261959537. The cubic root of 1541139 is about 115.5084980910.

The spelling of 1541139 in words is "one million, five hundred forty-one thousand, one hundred thirty-nine".