265712140 has 24 divisors (see below), whose sum is σ = 560320992. Its totient is φ = 105841920.

The previous prime is 265712107. The next prime is 265712141. The reversal of 265712140 is 41217562.

It is a junction number, because it is equal to n+sod(n) for n = 265712099 and 265712108.

It is not an unprimeable number, because it can be changed into a prime (265712141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22744 + ... + 32383.

It is an arithmetic number, because the mean of its divisors is an integer number (23346708).

Almost surely, 2^265712140 is an apocalyptic number.

265712140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265712140 is an abundant number, since it is smaller than the sum of its proper divisors (294608852).

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

265712140 is a wasteful number, since it uses less digits than its factorization.

265712140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55377 (or 55375 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 265712140 is about 16300.6791269566. The cubic root of 265712140 is about 642.8906837761.

The spelling of 265712140 in words is "two hundred sixty-five million, seven hundred twelve thousand, one hundred forty".