139026502 has 8 divisors (see below), whose sum is σ = 208615176. Its totient is φ = 69488112.

The previous prime is 139026497. The next prime is 139026521. The reversal of 139026502 is 205620931.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4663 + ... + 17314.

It is an arithmetic number, because the mean of its divisors is an integer number (26076897).

Almost surely, 2^139026502 is an apocalyptic number.

139026502 is a deficient number, since it is larger than the sum of its proper divisors (69588674).

139026502 is a wasteful number, since it uses less digits than its factorization.

139026502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 139026502 is about 11790.9500041345. The cubic root of 139026502 is about 518.0430662405.

The spelling of 139026502 in words is "one hundred thirty-nine million, twenty-six thousand, five hundred two".