1370720144 has 80 divisors (see below), whose sum is σ = 2826485760. Its totient is φ = 642660480.

The previous prime is 1370720129. The next prime is 1370720147. The reversal of 1370720144 is 4410270731.

It is not an unprimeable number, because it can be changed into a prime (1370720147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6496199 + ... + 6496409.

It is an arithmetic number, because the mean of its divisors is an integer number (35331072).

Almost surely, 2^1370720144 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 1370720144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413242880).

1370720144 is an abundant number, since it is smaller than the sum of its proper divisors (1455765616).

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

1370720144 is a wasteful number, since it uses less digits than its factorization.

1370720144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1370720144 is about 37023.2378918970. The cubic root of 1370720144 is about 1110.8351110680.

Adding to 1370720144 its reverse (4410270731), we get a palindrome (5780990875).

The spelling of 1370720144 in words is "one billion, three hundred seventy million, seven hundred twenty thousand, one hundred forty-four".