1532042139 has 4 divisors (see below), whose sum is σ = 2042722856. Its totient is φ = 1021361424.

The previous prime is 1532042123. The next prime is 1532042179. The reversal of 1532042139 is 9312402351.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1532042139 - 2⁴ = 1532042123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1532042179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255340354 + ... + 255340359.

It is an arithmetic number, because the mean of its divisors is an integer number (510680714).

Almost surely, 2^1532042139 is an apocalyptic number.

1532042139 is a deficient number, since it is larger than the sum of its proper divisors (510680717).

1532042139 is an equidigital number, since it uses as much as digits as its factorization.

1532042139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510680716.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1532042139 is about 39141.3098784392. The cubic root of 1532042139 is about 1152.8077928411.

The spelling of 1532042139 in words is "one billion, five hundred thirty-two million, forty-two thousand, one hundred thirty-nine".