913941540 has 72 divisors (see below), whose sum is σ = 2824626168. Its totient is φ = 239116800.

The previous prime is 913941521. The next prime is 913941563. The reversal of 913941540 is 45149319.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 263997504 + 649944036 = 16248^2 + 25494^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 913941495 and 913941504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38361 + ... + 57440.

It is an arithmetic number, because the mean of its divisors is an integer number (39230919).

Almost surely, 2^913941540 is an apocalyptic number.

913941540 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

913941540 is an abundant number, since it is smaller than the sum of its proper divisors (1910684628).

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

913941540 is a wasteful number, since it uses less digits than its factorization.

913941540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95869 (or 95864 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 913941540 is about 30231.4660577353. The cubic root of 913941540 is about 970.4491985445.

The spelling of 913941540 in words is "nine hundred thirteen million, nine hundred forty-one thousand, five hundred forty".