1040421139 has 8 divisors (see below), whose sum is σ = 1077579360. Its totient is φ = 1003348416.

The previous prime is 1040421113. The next prime is 1040421157. The reversal of 1040421139 is 9311240401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1040421139 - 2¹⁷ = 1040290067 is a prime.

It is a super-2 number, since 2×1040421139² = 2164952292956114642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040421439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 45784.

It is an arithmetic number, because the mean of its divisors is an integer number (134697420).

Almost surely, 2^1040421139 is an apocalyptic number.

1040421139 is a deficient number, since it is larger than the sum of its proper divisors (37158221).

1040421139 is an equidigital number, since it uses as much as digits as its factorization.

1040421139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42749.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1040421139 is about 32255.5598153249. The cubic root of 1040421139 is about 1013.2961420758.

The spelling of 1040421139 in words is "one billion, forty million, four hundred twenty-one thousand, one hundred thirty-nine".