1330042140 has 96 divisors (see below), whose sum is σ = 4729052160. Its totient is φ = 304008768.

The previous prime is 1330042121. The next prime is 1330042163. The reversal of 1330042140 is 412400331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172152 + ... + 179711.

It is an arithmetic number, because the mean of its divisors is an integer number (49260960).

Almost surely, 2^1330042140 is an apocalyptic number.

1330042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330042140 is an abundant number, since it is smaller than the sum of its proper divisors (3399010020).

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

1330042140 is a wasteful number, since it uses less digits than its factorization.

1330042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351888 (or 351880 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1330042140 is about 36469.7428013963. The cubic root of 1330042140 is about 1099.7360633973.

Adding to 1330042140 its reverse (412400331), we get a palindrome (1742442471).

The spelling of 1330042140 in words is "one billion, three hundred thirty million, forty-two thousand, one hundred forty".