139328142 has 16 divisors (see below), whose sum is σ = 279305040. Its totient is φ = 46334592.

The previous prime is 139328131. The next prime is 139328143. The reversal of 139328142 is 241823931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139328143) 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, 24217 + ... + 29412.

It is an arithmetic number, because the mean of its divisors is an integer number (17456565).

Almost surely, 2^139328142 is an apocalyptic number.

139328142 is an abundant number, since it is smaller than the sum of its proper divisors (139976898).

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

139328142 is a wasteful number, since it uses less digits than its factorization.

139328142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54067.

The product of its digits is 10368, while the sum is 33.

The square root of 139328142 is about 11803.7342396379. The cubic root of 139328142 is about 518.4174544139.

The spelling of 139328142 in words is "one hundred thirty-nine million, three hundred twenty-eight thousand, one hundred forty-two".