140198911926 has 36 divisors (see below), whose sum is σ = 289793461788. Its totient is φ = 45216283800.

The previous prime is 140198911921. The next prime is 140198911927. The reversal of 140198911926 is 629119891041.

It is a happy 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 17 ways as a sum of consecutive naturals, for example, 28429681 + ... + 28434611.

It is an arithmetic number, because the mean of its divisors is an integer number (8049818383).

Almost surely, 2^140198911926 is an apocalyptic number.

140198911926 is an abundant number, since it is smaller than the sum of its proper divisors (149594549862).

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

140198911926 is an frugal number, since it uses more digits than its factorization.

140198911926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9929 (or 4967 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 51.

The spelling of 140198911926 in words is "one hundred forty billion, one hundred ninety-eight million, nine hundred eleven thousand, nine hundred twenty-six".