1339857670 has 16 divisors (see below), whose sum is σ = 2463058368. Its totient is φ = 524539840.

The previous prime is 1339857667. The next prime is 1339857677. The reversal of 1339857670 is 767589331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339857677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424911 + ... + 1425850.

It is an arithmetic number, because the mean of its divisors is an integer number (153941148).

Almost surely, 2^1339857670 is an apocalyptic number.

1339857670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1339857670 is a deficient number, since it is larger than the sum of its proper divisors (1123200698).

1339857670 is a wasteful number, since it uses less digits than its factorization.

1339857670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850815.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1339857670 is about 36604.0663041690. The cubic root of 1339857670 is about 1102.4347364627.

The spelling of 1339857670 in words is "one billion, three hundred thirty-nine million, eight hundred fifty-seven thousand, six hundred seventy".