149140 has 12 divisors (see below), whose sum is σ = 313236. Its totient is φ = 59648.

The previous prime is 149119. The next prime is 149143. The reversal of 149140 is 41941.

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 99856 = 222^2 + 316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3709 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (26103).

2¹⁴⁹¹⁴⁰ is an apocalyptic number.

149140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149140 is an abundant number, since it is smaller than the sum of its proper divisors (164096).

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

149140 is a wasteful number, since it uses less digits than its factorization.

149140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466 (or 7464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 149140 is about 386.1864834507. The cubic root of 149140 is about 53.0311908489.

Subtracting from 149140 its product of nonzero digits (144), we obtain a square (148996 = 386²).

It can be divided in two parts, 149 and 140, that added together give a square (289 = 17²).

The spelling of 149140 in words is "one hundred forty-nine thousand, one hundred forty".