139534804 has 12 divisors (see below), whose sum is σ = 245021364. Its totient is φ = 69528704.

The previous prime is 139534799. The next prime is 139534817. The reversal of 139534804 is 408435931.

It can be written as a sum of positive squares in 2 ways, for example, as 115992900 + 23541904 = 10770^2 + 4852^2 .

It is a congruent number.

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, 58357 + ... + 60700.

It is an arithmetic number, because the mean of its divisors is an integer number (20418447).

Almost surely, 2^139534804 is an apocalyptic number.

It is an amenable number.

139534804 is a deficient number, since it is larger than the sum of its proper divisors (105486560).

139534804 is a wasteful number, since it uses less digits than its factorization.

139534804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119354 (or 119352 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 139534804 is about 11812.4850899377. The cubic root of 139534804 is about 518.6736464000.

The spelling of 139534804 in words is "one hundred thirty-nine million, five hundred thirty-four thousand, eight hundred four".