139041486 has 96 divisors (see below), whose sum is σ = 335050560. Its totient is φ = 41513472.

The previous prime is 139041467. The next prime is 139041533. The reversal of 139041486 is 684140931.

139041486 is a `hidden beast` number, since 139 + 0 + 41 + 486 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 139041486.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 444066 + ... + 444378.

It is an arithmetic number, because the mean of its divisors is an integer number (3490110).

Almost surely, 2^139041486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139041486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167525280).

139041486 is an abundant number, since it is smaller than the sum of its proper divisors (196009074).

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

139041486 is a wasteful number, since it uses less digits than its factorization.

139041486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 139041486 is about 11791.5853895903. The cubic root of 139041486 is about 518.0616767891.

The spelling of 139041486 in words is "one hundred thirty-nine million, forty-one thousand, four hundred eighty-six".