1415339641 has 9 divisors (see below), whose sum is σ = 1504171981. Its totient is φ = 1331482432.

The previous prime is 1415339633. The next prime is 1415339647. The reversal of 1415339641 is 1469335141.

The square root of 1415339641 is 37621.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 996728041 + 418611600 = 31571^2 + 20460^2 .

It is not a de Polignac number, because 1415339641 - 2³ = 1415339633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1415339641.

It is not an unprimeable number, because it can be changed into a prime (1415339647) 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 8 ways as a sum of consecutive naturals, for example, 638451 + ... + 640663.

Almost surely, 2^1415339641 is an apocalyptic number.

1415339641 is the 37621-st square number.

1415339641 is the 18811-st centered octagonal number.

It is an amenable number.

1415339641 is a deficient number, since it is larger than the sum of its proper divisors (88832340).

1415339641 is an frugal number, since it uses more digits than its factorization.

1415339641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460 (or 2230 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The cubic root of 1415339641 is about 1122.7598923360.

It can be divided in two parts, 1415 and 339641, that added together give a square (341056 = 584²).

The spelling of 1415339641 in words is "one billion, four hundred fifteen million, three hundred thirty-nine thousand, six hundred forty-one".