269769140 has 24 divisors (see below), whose sum is σ = 567249480. Its totient is φ = 107767808.

The previous prime is 269769133. The next prime is 269769151. The reversal of 269769140 is 41967962.

It can be written as a sum of positive squares in 4 ways, for example, as 138391696 + 131377444 = 11764^2 + 11462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 269769091 and 269769100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7844 + ... + 24516.

It is an arithmetic number, because the mean of its divisors is an integer number (23635395).

Almost surely, 2^269769140 is an apocalyptic number.

269769140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269769140 is an abundant number, since it is smaller than the sum of its proper divisors (297480340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

269769140 is a wasteful number, since it uses less digits than its factorization.

269769140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17491 (or 17489 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 269769140 is about 16424.6503767965. The cubic root of 269769140 is about 646.1461423365.

The spelling of 269769140 in words is "two hundred sixty-nine million, seven hundred sixty-nine thousand, one hundred forty".