139709118 has 16 divisors (see below), whose sum is σ = 279701136. Its totient is φ = 46522560.

The previous prime is 139709117. The next prime is 139709131. The reversal of 139709118 is 811907931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139709117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073 + ... + 17468.

It is an arithmetic number, because the mean of its divisors is an integer number (17481321).

Almost surely, 2^139709118 is an apocalyptic number.

139709118 is an abundant number, since it is smaller than the sum of its proper divisors (139992018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139709118 is a wasteful number, since it uses less digits than its factorization.

139709118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23579.

The product of its (nonzero) digits is 13608, while the sum is 39.

The square root of 139709118 is about 11819.8611666973. The cubic root of 139709118 is about 518.8895410547.

The spelling of 139709118 in words is "one hundred thirty-nine million, seven hundred nine thousand, one hundred eighteen".