139430804 has 24 divisors (see below), whose sum is σ = 259237440. Its totient is φ = 65390976.

The previous prime is 139430801. The next prime is 139430827. The reversal of 139430804 is 408034931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139430801) 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 7 ways as a sum of consecutive naturals, for example, 17537 + ... + 24215.

It is an arithmetic number, because the mean of its divisors is an integer number (10801560).

Almost surely, 2^139430804 is an apocalyptic number.

It is an amenable number.

139430804 is a deficient number, since it is larger than the sum of its proper divisors (119806636).

139430804 is a wasteful number, since it uses less digits than its factorization.

139430804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007 (or 7005 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 139430804 is about 11808.0821474107. The cubic root of 139430804 is about 518.5447527122.

The spelling of 139430804 in words is "one hundred thirty-nine million, four hundred thirty thousand, eight hundred four".