140198911925 has 6 divisors (see below), whose sum is σ = 173846650818. Its totient is φ = 112159129520.

The previous prime is 140198911921. The next prime is 140198911927. The reversal of 140198911925 is 529119891041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2547523729 + 137651388196 = 50473^2 + 371014^2 .

It is not a de Polignac number, because 140198911925 - 2² = 140198911921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140198911921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2803978214 + ... + 2803978263.

It is an arithmetic number, because the mean of its divisors is an integer number (28974441803).

Almost surely, 2^140198911925 is an apocalyptic number.

It is an amenable number.

140198911925 is a deficient number, since it is larger than the sum of its proper divisors (33647738893).

140198911925 is an equidigital number, since it uses as much as digits as its factorization.

140198911925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607956487 (or 5607956482 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 50.

The spelling of 140198911925 in words is "one hundred forty billion, one hundred ninety-eight million, nine hundred eleven thousand, nine hundred twenty-five".