1090442739 has 8 divisors (see below), whose sum is σ = 1454078160. Its totient is φ = 726884576.

The previous prime is 1090442707. The next prime is 1090442753. The reversal of 1090442739 is 9372440901.

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 1090442739 - 2⁵ = 1090442707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1090442697 and 1090442706.

It is not an unprimeable number, because it can be changed into a prime (1090442789) 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 7 ways as a sum of consecutive naturals, for example, 37489 + ... + 59885.

It is an arithmetic number, because the mean of its divisors is an integer number (181759770).

Almost surely, 2^1090442739 is an apocalyptic number.

1090442739 is a deficient number, since it is larger than the sum of its proper divisors (363635421).

1090442739 is a wasteful number, since it uses less digits than its factorization.

1090442739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38629.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1090442739 is about 33021.8524465240. The cubic root of 1090442739 is about 1029.2817876202.

The spelling of 1090442739 in words is "one billion, ninety million, four hundred forty-two thousand, seven hundred thirty-nine".