1090142459 has 16 divisors (see below), whose sum is σ = 1324859328. Its totient is φ = 875645952.

The previous prime is 1090142453. The next prime is 1090142467. The reversal of 1090142459 is 9542410901.

It is a cyclic number.

It is not a de Polignac number, because 1090142459 - 2⁸ = 1090142203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090142453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8069 + ... + 47385.

It is an arithmetic number, because the mean of its divisors is an integer number (82803708).

Almost surely, 2^1090142459 is an apocalyptic number.

1090142459 is a deficient number, since it is larger than the sum of its proper divisors (234716869).

1090142459 is a wasteful number, since it uses less digits than its factorization.

1090142459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39574.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1090142459 is about 33017.3054472954. The cubic root of 1090142459 is about 1029.1872996663.

The spelling of 1090142459 in words is "one billion, ninety million, one hundred forty-two thousand, four hundred fifty-nine".