149739 has 16 divisors (see below), whose sum is σ = 218880. Its totient is φ = 90720.

The previous prime is 149731. The next prime is 149749. The reversal of 149739 is 937941.

149739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149739 - 2³ = 149731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2¹⁴⁹⁷³⁹ is an apocalyptic number.

149739 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

149739 is a deficient number, since it is larger than the sum of its proper divisors (69141).

149739 is a wasteful number, since it uses less digits than its factorization.

149739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130.

The product of its digits is 6804, while the sum is 33.

The square root of 149739 is about 386.9612383689. The cubic root of 149739 is about 53.1020934694.

It can be divided in two parts, 149 and 739, that added together give a palindrome (888).

The spelling of 149739 in words is "one hundred forty-nine thousand, seven hundred thirty-nine".