141249140 has 24 divisors (see below), whose sum is σ = 306852840. Its totient is φ = 54551168.

The previous prime is 141249133. The next prime is 141249167. The reversal of 141249140 is 41942141.

It can be written as a sum of positive squares in 4 ways, for example, as 56130064 + 85119076 = 7492^2 + 9226^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121187 + ... + 122346.

It is an arithmetic number, because the mean of its divisors is an integer number (12785535).

Almost surely, 2^141249140 is an apocalyptic number.

141249140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141249140 is an abundant number, since it is smaller than the sum of its proper divisors (165603700).

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

141249140 is a wasteful number, since it uses less digits than its factorization.

141249140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243571 (or 243569 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 141249140 is about 11884.8281434777. The cubic root of 141249140 is about 520.7891617082.

The spelling of 141249140 in words is "one hundred forty-one million, two hundred forty-nine thousand, one hundred forty".