139589740 has 12 divisors (see below), whose sum is σ = 293138496. Its totient is φ = 55835888.

The previous prime is 139589719. The next prime is 139589741. The reversal of 139589740 is 47985931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139589741) 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 3 ways as a sum of consecutive naturals, for example, 3489724 + ... + 3489763.

It is an arithmetic number, because the mean of its divisors is an integer number (24428208).

Almost surely, 2^139589740 is an apocalyptic number.

139589740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139589740 is an abundant number, since it is smaller than the sum of its proper divisors (153548756).

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

139589740 is a wasteful number, since it uses less digits than its factorization.

139589740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979496 (or 6979494 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 139589740 is about 11814.8101973752. The cubic root of 139589740 is about 518.7417061625.

The spelling of 139589740 in words is "one hundred thirty-nine million, five hundred eighty-nine thousand, seven hundred forty".