2140555142 has 24 divisors (see below), whose sum is σ = 3590304696. Its totient is φ = 949232000.

The previous prime is 2140555141. The next prime is 2140555147. The reversal of 2140555142 is 2415550412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140555141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8042 + ... + 65922.

It is an arithmetic number, because the mean of its divisors is an integer number (149596029).

Almost surely, 2^2140555142 is an apocalyptic number.

2140555142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2140555142 is a deficient number, since it is larger than the sum of its proper divisors (1449749554).

2140555142 is a wasteful number, since it uses less digits than its factorization.

2140555142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57976 (or 57935 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2140555142 is about 46266.1338562020. The cubic root of 2140555142 is about 1288.7701641528.

The spelling of 2140555142 in words is "two billion, one hundred forty million, five hundred fifty-five thousand, one hundred forty-two".