146939 has 8 divisors (see below), whose sum is σ = 161280. Its totient is φ = 133056.

The previous prime is 146933. The next prime is 146941. The reversal of 146939 is 939641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146939 - 2⁸ = 146683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146933) by changing a digit.

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, 1094 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2¹⁴⁶⁹³⁹ is an apocalyptic number.

146939 is a deficient number, since it is larger than the sum of its proper divisors (14341).

146939 is a wasteful number, since it uses less digits than its factorization.

146939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its digits is 5832, while the sum is 32.

The square root of 146939 is about 383.3262318183. The cubic root of 146939 is about 52.7690197430.

It can be divided in two parts, 1469 and 39, that multiplied together give a triangular number (57291 = T₃₃₈).

The spelling of 146939 in words is "one hundred forty-six thousand, nine hundred thirty-nine".