148729839 has 8 divisors (see below), whose sum is σ = 199523712. Its totient is φ = 98544600.

The previous prime is 148729829. The next prime is 148729849. The reversal of 148729839 is 938927841.

It is an interprime number because it is at equal distance from previous prime (148729829) and next prime (148729849).

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

It is not a de Polignac number, because 148729839 - 2⁵ = 148729807 is a prime.

It is a super-4 number, since 4×148729839⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148729791 and 148729800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148729829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151587 + ... + 152564.

It is an arithmetic number, because the mean of its divisors is an integer number (24940464).

Almost surely, 2^148729839 is an apocalyptic number.

148729839 is a deficient number, since it is larger than the sum of its proper divisors (50793873).

148729839 is a wasteful number, since it uses less digits than its factorization.

148729839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304317.

The product of its digits is 870912, while the sum is 51.

The square root of 148729839 is about 12195.4843692245. The cubic root of 148729839 is about 529.8253120744.

The spelling of 148729839 in words is "one hundred forty-eight million, seven hundred twenty-nine thousand, eight hundred thirty-nine".