1142049001539 has 4 divisors (see below), whose sum is σ = 1522732002056. Its totient is φ = 761366001024.

The previous prime is 1142049001487. The next prime is 1142049001603. The reversal of 1142049001539 is 9351009402411.

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

It is not a de Polignac number, because 1142049001539 - 2⁷ = 1142049001411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142049001497 and 1142049001506.

It is not an unprimeable number, because it can be changed into a prime (1142049001139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190341500254 + ... + 190341500259.

It is an arithmetic number, because the mean of its divisors is an integer number (380683000514).

Almost surely, 2^{1142049001539} is an apocalyptic number.

1142049001539 is a deficient number, since it is larger than the sum of its proper divisors (380683000517).

1142049001539 is an equidigital number, since it uses as much as digits as its factorization.

1142049001539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380683000516.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 1142049001539 in words is "one trillion, one hundred forty-two billion, forty-nine million, one thousand, five hundred thirty-nine".