1308870144 has 160 divisors (see below), whose sum is σ = 3930447840. Its totient is φ = 429981696.

The previous prime is 1308870097. The next prime is 1308870169. The reversal of 1308870144 is 4410788031.

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 = 1308870099 and 1308870108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008504 + ... + 1009800.

It is an arithmetic number, because the mean of its divisors is an integer number (24565299).

Almost surely, 2^1308870144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308870144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965223920).

1308870144 is an abundant number, since it is smaller than the sum of its proper divisors (2621577696).

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

1308870144 is an equidigital number, since it uses as much as digits as its factorization.

1308870144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1308870144 is about 36178.3104083096. The cubic root of 1308870144 is about 1093.8695182199.

The spelling of 1308870144 in words is "one billion, three hundred eight million, eight hundred seventy thousand, one hundred forty-four".