180138529196 has 12 divisors (see below), whose sum is σ = 315612001152. Its totient is φ = 89963671728.

The previous prime is 180138529187. The next prime is 180138529201. The reversal of 180138529196 is 691925831081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26394380 + ... + 26401203.

It is an arithmetic number, because the mean of its divisors is an integer number (26301000096).

Almost surely, 2^180138529196 is an apocalyptic number.

It is an amenable number.

180138529196 is a deficient number, since it is larger than the sum of its proper divisors (135473471956).

180138529196 is a wasteful number, since it uses less digits than its factorization.

180138529196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52796440 (or 52796438 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 53.

The spelling of 180138529196 in words is "one hundred eighty billion, one hundred thirty-eight million, five hundred twenty-nine thousand, one hundred ninety-six".