1481380837 has 8 divisors (see below), whose sum is σ = 1498071960. Its totient is φ = 1464729600.

The previous prime is 1481380829. The next prime is 1481380843. The reversal of 1481380837 is 7380831841.

It can be written as a sum of positive squares in 4 ways, for example, as 124858276 + 1356522561 = 11174^2 + 36831^2 .

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 1481380837 - 2³ = 1481380829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1481380793 and 1481380802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481380937) 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, 68133 + ... + 87205.

It is an arithmetic number, because the mean of its divisors is an integer number (187258995).

Almost surely, 2^1481380837 is an apocalyptic number.

It is an amenable number.

1481380837 is a deficient number, since it is larger than the sum of its proper divisors (16691123).

1481380837 is a wasteful number, since it uses less digits than its factorization.

1481380837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1481380837 is about 38488.7105136039. The cubic root of 1481380837 is about 1139.9581489202.

The spelling of 1481380837 in words is "one billion, four hundred eighty-one million, three hundred eighty thousand, eight hundred thirty-seven".