1042139092 has 24 divisors (see below), whose sum is σ = 1848329280. Its totient is φ = 514071360.

The previous prime is 1042139069. The next prime is 1042139093. The reversal of 1042139092 is 2909312401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042139093) 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, 170367 + ... + 176377.

It is an arithmetic number, because the mean of its divisors is an integer number (77013720).

Almost surely, 2^1042139092 is an apocalyptic number.

It is an amenable number.

1042139092 is a deficient number, since it is larger than the sum of its proper divisors (806190188).

1042139092 is a wasteful number, since it uses less digits than its factorization.

1042139092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591 (or 6589 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1042139092 is about 32282.1791705579. The cubic root of 1042139092 is about 1013.8535567037.

The spelling of 1042139092 in words is "one billion, forty-two million, one hundred thirty-nine thousand, ninety-two".