139072134 has 16 divisors (see below), whose sum is σ = 292783680. Its totient is φ = 43917480.

The previous prime is 139072097. The next prime is 139072147. The reversal of 139072134 is 431270931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609852 + ... + 610079.

It is an arithmetic number, because the mean of its divisors is an integer number (18298980).

Almost surely, 2^139072134 is an apocalyptic number.

139072134 is an abundant number, since it is smaller than the sum of its proper divisors (153711546).

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

139072134 is a wasteful number, since it uses less digits than its factorization.

139072134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219955.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 139072134 is about 11792.8848887793. The cubic root of 139072134 is about 518.0997383018.

The spelling of 139072134 in words is "one hundred thirty-nine million, seventy-two thousand, one hundred thirty-four".