139585941 has 48 divisors (see below), whose sum is σ = 230480640. Its totient is φ = 80645760.

The previous prime is 139585921. The next prime is 139585967. The reversal of 139585941 is 149585931.

139585941 is a `hidden beast` number, since 1 + 3 + 9 + 58 + 594 + 1 = 666.

It is not a de Polignac number, because 139585941 - 2⁶ = 139585877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139585921) 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 47 ways as a sum of consecutive naturals, for example, 193780 + ... + 194498.

It is an arithmetic number, because the mean of its divisors is an integer number (4801680).

Almost surely, 2^139585941 is an apocalyptic number.

139585941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139585941 is a deficient number, since it is larger than the sum of its proper divisors (90894699).

139585941 is a wasteful number, since it uses less digits than its factorization.

139585941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 823 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 139585941 is about 11814.6494234912. The cubic root of 139585941 is about 518.7370001871.

The spelling of 139585941 in words is "one hundred thirty-nine million, five hundred eighty-five thousand, nine hundred forty-one".