140944180 has 24 divisors (see below), whose sum is σ = 318751272. Its totient is φ = 52040832.

The previous prime is 140944169. The next prime is 140944189. The reversal of 140944180 is 81449041.

It can be written as a sum of positive squares in 4 ways, for example, as 11985444 + 128958736 = 3462^2 + 11356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140944189) 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, 270787 + ... + 271306.

It is an arithmetic number, because the mean of its divisors is an integer number (13281303).

Almost surely, 2^140944180 is an apocalyptic number.

140944180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140944180 is an abundant number, since it is smaller than the sum of its proper divisors (177807092).

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

140944180 is a wasteful number, since it uses less digits than its factorization.

140944180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542115 (or 542113 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 140944180 is about 11871.9914083527. The cubic root of 140944180 is about 520.4140932332.

The spelling of 140944180 in words is "one hundred forty million, nine hundred forty-four thousand, one hundred eighty".