140492 has 24 divisors (see below), whose sum is σ = 279552. Its totient is φ = 61200.

The previous prime is 140477. The next prime is 140521. The reversal of 140492 is 294041.

140492 = 129² + 130² + ... + 136².

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140492.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1313 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (11648).

2¹⁴⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

140492 is a deficient number, since it is larger than the sum of its proper divisors (139060).

140492 is a wasteful number, since it uses less digits than its factorization.

140492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140492 is about 374.8226247173. The cubic root of 140492 is about 51.9856962630.

The spelling of 140492 in words is "one hundred forty thousand, four hundred ninety-two".