180139950190 has 16 divisors (see below), whose sum is σ = 341317800720. Its totient is φ = 68263560000.

The previous prime is 180139950149. The next prime is 180139950197. The reversal of 180139950190 is 91059931081.

It is a super-2 number, since 2×180139950190² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180139950190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180139950197) 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, 474052311 + ... + 474052690.

It is an arithmetic number, because the mean of its divisors is an integer number (21332362545).

Almost surely, 2^180139950190 is an apocalyptic number.

180139950190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180139950190 is a deficient number, since it is larger than the sum of its proper divisors (161177850530).

180139950190 is a wasteful number, since it uses less digits than its factorization.

180139950190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948105027.

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 180139950190 in words is "one hundred eighty billion, one hundred thirty-nine million, nine hundred fifty thousand, one hundred ninety".