148739 has 4 divisors (see below), whose sum is σ = 151320. Its totient is φ = 146160.

The previous prime is 148727. The next prime is 148747. The reversal of 148739 is 937841.

148739 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148739 - 2⁴ = 148723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (37830).

2¹⁴⁸⁷³⁹ is an apocalyptic number.

148739 is a deficient number, since it is larger than the sum of its proper divisors (2581).

148739 is an equidigital number, since it uses as much as digits as its factorization.

148739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580.

The product of its digits is 6048, while the sum is 32.

The square root of 148739 is about 385.6669547680. Note that the first 3 decimals coincide. The cubic root of 148739 is about 52.9836190031.

The spelling of 148739 in words is "one hundred forty-eight thousand, seven hundred thirty-nine".