139544924 has 12 divisors (see below), whose sum is σ = 244398000. Its totient is φ = 69716928.

The previous prime is 139544921. The next prime is 139544957. The reversal of 139544924 is 429445931.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139544921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7949 + ... + 18500.

It is an arithmetic number, because the mean of its divisors is an integer number (20366500).

Almost surely, 2^139544924 is an apocalyptic number.

It is an amenable number.

139544924 is a deficient number, since it is larger than the sum of its proper divisors (104853076).

139544924 is a wasteful number, since it uses less digits than its factorization.

139544924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772 (or 27770 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 139544924 is about 11812.9134425001. The cubic root of 139544924 is about 518.6861853276.

The spelling of 139544924 in words is "one hundred thirty-nine million, five hundred forty-four thousand, nine hundred twenty-four".