139483460 has 12 divisors (see below), whose sum is σ = 292915308. Its totient is φ = 55793376.

The previous prime is 139483459. The next prime is 139483511. The reversal of 139483460 is 64384931.

It can be written as a sum of positive squares in 2 ways, for example, as 106213636 + 33269824 = 10306^2 + 5768^2 .

It is a super-2 number, since 2×139483460² = 38911271227143200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487067 + ... + 3487106.

It is an arithmetic number, because the mean of its divisors is an integer number (24409609).

Almost surely, 2^139483460 is an apocalyptic number.

139483460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139483460 is an abundant number, since it is smaller than the sum of its proper divisors (153431848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139483460 is a wasteful number, since it uses less digits than its factorization.

139483460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974182 (or 6974180 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 139483460 is about 11810.3115962281. The cubic root of 139483460 is about 518.6100205853.

The spelling of 139483460 in words is "one hundred thirty-nine million, four hundred eighty-three thousand, four hundred sixty".