149197729194 has 40 divisors (see below), whose sum is σ = 345097746048. Its totient is φ = 48128298120.

The previous prime is 149197729097. The next prime is 149197729217. The reversal of 149197729194 is 491927791941.

149197729194 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 19 ways as a sum of consecutive naturals, for example, 14849392 + ... + 14859435.

Almost surely, 2^149197729194 is an apocalyptic number.

149197729194 is an abundant number, since it is smaller than the sum of its proper divisors (195900016854).

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

149197729194 is a wasteful number, since it uses less digits than its factorization.

149197729194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29708872 (or 29708863 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The spelling of 149197729194 in words is "one hundred forty-nine billion, one hundred ninety-seven million, seven hundred twenty-nine thousand, one hundred ninety-four".