2140188651908 has 24 divisors (see below), whose sum is σ = 3845044353024. Its totient is φ = 1041842960000.

The previous prime is 2140188651901. The next prime is 2140188651911. The reversal of 2140188651908 is 8091568810412.

It is a self number, because there is not a number n which added to its sum of digits gives 2140188651908.

It is not an unprimeable number, because it can be changed into a prime (2140188651901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29765093 + ... + 29836908.

It is an arithmetic number, because the mean of its divisors is an integer number (160210181376).

Almost surely, 2^{2140188651908} is an apocalyptic number.

It is an amenable number.

2140188651908 is a deficient number, since it is larger than the sum of its proper divisors (1704855701116).

2140188651908 is a wasteful number, since it uses less digits than its factorization.

2140188651908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59602243 (or 59602241 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 53.

The spelling of 2140188651908 in words is "two trillion, one hundred forty billion, one hundred eighty-eight million, six hundred fifty-one thousand, nine hundred eight".