1489156741 has 8 divisors (see below), whose sum is σ = 1519129080. Its totient is φ = 1459253952.

The previous prime is 1489156733. The next prime is 1489156751. The reversal of 1489156741 is 1476519841.

It can be written as a sum of positive squares in 4 ways, for example, as 588256516 + 900900225 = 24254^2 + 30015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1489156741 - 2³ = 1489156733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1489156691 and 1489156700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489156751) 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, 26991 + ... + 60883.

It is an arithmetic number, because the mean of its divisors is an integer number (189891135).

Almost surely, 2^1489156741 is an apocalyptic number.

It is an amenable number.

1489156741 is a deficient number, since it is larger than the sum of its proper divisors (29972339).

1489156741 is an equidigital number, since it uses as much as digits as its factorization.

1489156741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34775.

The product of its digits is 241920, while the sum is 46.

The square root of 1489156741 is about 38589.5936879361. The cubic root of 1489156741 is about 1141.9492508040.

The spelling of 1489156741 in words is "one billion, four hundred eighty-nine million, one hundred fifty-six thousand, seven hundred forty-one".