1090141531 has 4 divisors (see below), whose sum is σ = 1090218312. Its totient is φ = 1090064752.

The previous prime is 1090141519. The next prime is 1090141537. The reversal of 1090141531 is 1351410901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1351410901 = 211 ⋅6404791.

It is a cyclic number.

It is not a de Polignac number, because 1090141531 - 2⁵ = 1090141499 is a prime.

It is a super-2 number, since 2×1090141531² = 2376817115222047922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090141496 and 1090141505.

It is not an unprimeable number, because it can be changed into a prime (1090141537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10186 + ... + 47791.

It is an arithmetic number, because the mean of its divisors is an integer number (272554578).

Almost surely, 2^1090141531 is an apocalyptic number.

1090141531 is a deficient number, since it is larger than the sum of its proper divisors (76781).

1090141531 is an equidigital number, since it uses as much as digits as its factorization.

1090141531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76780.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1090141531 is about 33017.2913940559. The cubic root of 1090141531 is about 1029.1870076292.

The spelling of 1090141531 in words is "one billion, ninety million, one hundred forty-one thousand, five hundred thirty-one".