148771729 has 8 divisors (see below), whose sum is σ = 156731840. Its totient is φ = 140824656.

The previous prime is 148771703. The next prime is 148771747. The reversal of 148771729 is 927177841.

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

It is not a de Polignac number, because 148771729 - 2¹⁹ = 148247441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148771789) 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, 27892 + ... + 32794.

It is an arithmetic number, because the mean of its divisors is an integer number (19591480).

Almost surely, 2^148771729 is an apocalyptic number.

148771729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148771729 is a deficient number, since it is larger than the sum of its proper divisors (7960111).

148771729 is a wasteful number, since it uses less digits than its factorization.

148771729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519.

The product of its digits is 197568, while the sum is 46.

The square root of 148771729 is about 12197.2016872724. The cubic root of 148771729 is about 529.8750494575.

The spelling of 148771729 in words is "one hundred forty-eight million, seven hundred seventy-one thousand, seven hundred twenty-nine".