269145740 has 24 divisors (see below), whose sum is σ = 568173312. Its totient is φ = 107093120.

The previous prime is 269145731. The next prime is 269145749. The reversal of 269145740 is 47541962.

It is an interprime number because it is at equal distance from previous prime (269145731) and next prime (269145749).

It is a junction number, because it is equal to n+sod(n) for n = 269145694 and 269145703.

It is not an unprimeable number, because it can be changed into a prime (269145749) by changing a digit.

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, 31409 + ... + 39048.

It is an arithmetic number, because the mean of its divisors is an integer number (23673888).

Almost surely, 2^269145740 is an apocalyptic number.

269145740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269145740 is an abundant number, since it is smaller than the sum of its proper divisors (299027572).

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

269145740 is a wasteful number, since it uses less digits than its factorization.

269145740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70657 (or 70655 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 269145740 is about 16405.6618275521. The cubic root of 269145740 is about 645.6480396724.

The spelling of 269145740 in words is "two hundred sixty-nine million, one hundred forty-five thousand, seven hundred forty".