1385272929 has 8 divisors (see below), whose sum is σ = 1849174272. Its totient is φ = 922443440.

The previous prime is 1385272921. The next prime is 1385272991. The reversal of 1385272929 is 9292725831.

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

It is not a de Polignac number, because 1385272929 - 2³ = 1385272921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385272921) 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, 264942 + ... + 270119.

It is an arithmetic number, because the mean of its divisors is an integer number (231146784).

Almost surely, 2^1385272929 is an apocalyptic number.

It is an amenable number.

1385272929 is a deficient number, since it is larger than the sum of its proper divisors (463901343).

1385272929 is an equidigital number, since it uses as much as digits as its factorization.

1385272929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535927.

The product of its digits is 544320, while the sum is 48.

The square root of 1385272929 is about 37219.2548152163. The cubic root of 1385272929 is about 1114.7524848916.

The spelling of 1385272929 in words is "one billion, three hundred eighty-five million, two hundred seventy-two thousand, nine hundred twenty-nine".