148439613 has 16 divisors (see below), whose sum is σ = 227197440. Its totient is φ = 84446256.

The previous prime is 148439593. The next prime is 148439617. The reversal of 148439613 is 316934841.

It is not a de Polignac number, because 148439613 - 2⁹ = 148439101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148439617) 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, 10803 + ... + 20336.

It is an arithmetic number, because the mean of its divisors is an integer number (14199840).

Almost surely, 2^148439613 is an apocalyptic number.

It is an amenable number.

148439613 is a deficient number, since it is larger than the sum of its proper divisors (78757827).

148439613 is a wasteful number, since it uses less digits than its factorization.

148439613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31376.

The product of its digits is 62208, while the sum is 39.

The square root of 148439613 is about 12183.5796463929. The cubic root of 148439613 is about 529.4804603835.

The spelling of 148439613 in words is "one hundred forty-eight million, four hundred thirty-nine thousand, six hundred thirteen".