180838742131 has 8 divisors (see below), whose sum is σ = 182889988560. Its totient is φ = 178787925888.

The previous prime is 180838742111. The next prime is 180838742179. The reversal of 180838742131 is 131247838081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180838742131 - 2⁵ = 180838742099 is a prime.

It is a super-2 number, since 2×180838742131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180838742111) 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, 779175 + ... + 984271.

It is an arithmetic number, because the mean of its divisors is an integer number (22861248570).

Almost surely, 2^180838742131 is an apocalyptic number.

180838742131 is a deficient number, since it is larger than the sum of its proper divisors (2051246429).

180838742131 is an equidigital number, since it uses as much as digits as its factorization.

180838742131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215093.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 180838742131 in words is "one hundred eighty billion, eight hundred thirty-eight million, seven hundred forty-two thousand, one hundred thirty-one".