1320141140 has 12 divisors (see below), whose sum is σ = 2772296436. Its totient is φ = 528056448.

The previous prime is 1320141139. The next prime is 1320141157. The reversal of 1320141140 is 411410231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 385493956 + 934647184 = 19634^2 + 30572^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33003509 + ... + 33003548.

It is an arithmetic number, because the mean of its divisors is an integer number (231024703).

Almost surely, 2^1320141140 is an apocalyptic number.

1320141140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320141140 is an abundant number, since it is smaller than the sum of its proper divisors (1452155296).

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

1320141140 is a wasteful number, since it uses less digits than its factorization.

1320141140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66007066 (or 66007064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1320141140 is about 36333.7465725735. The cubic root of 1320141140 is about 1097.0004063455. Note that the first 3 decimals are identical.

Adding to 1320141140 its reverse (411410231), we get a palindrome (1731551371).

The spelling of 1320141140 in words is "one billion, three hundred twenty million, one hundred forty-one thousand, one hundred forty".