1142111320140 has 96 divisors (see below), whose sum is σ = 3655238759424. Its totient is φ = 261019549440.

The previous prime is 1142111320139. The next prime is 1142111320171. The reversal of 1142111320140 is 410231112411.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3075577 + ... + 3426863.

It is an arithmetic number, because the mean of its divisors is an integer number (38075403744).

Almost surely, 2^{1142111320140} is an apocalyptic number.

1142111320140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142111320140 is an abundant number, since it is smaller than the sum of its proper divisors (2513127439284).

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

1142111320140 is a wasteful number, since it uses less digits than its factorization.

1142111320140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359047 (or 359045 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1142111320140 its reverse (410231112411), we get a palindrome (1552342432551).

The spelling of 1142111320140 in words is "one trillion, one hundred forty-two billion, one hundred eleven million, three hundred twenty thousand, one hundred forty".