140994 has 32 divisors (see below), whose sum is σ = 359040. Its totient is φ = 40176.

The previous prime is 140989. The next prime is 141023. The reversal of 140994 is 499041.

140994 = 57² + 58² + ... + 84².

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 192 + ... + 564.

It is an arithmetic number, because the mean of its divisors is an integer number (11220).

2¹⁴⁰⁹⁹⁴ is an apocalyptic number.

140994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179520).

140994 is an abundant number, since it is smaller than the sum of its proper divisors (218046).

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

140994 is a wasteful number, since it uses less digits than its factorization.

140994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140994 is about 375.4916776708. The cubic root of 140994 is about 52.0475403500.

The spelling of 140994 in words is "one hundred forty thousand, nine hundred ninety-four".