139134600 has 144 divisors (see below), whose sum is σ = 509811120. Its totient is φ = 33724800.

The previous prime is 139134581. The next prime is 139134683. The reversal of 139134600 is 6431931.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16287 + ... + 23313.

It is an arithmetic number, because the mean of its divisors is an integer number (3540355).

Almost surely, 2^139134600 is an apocalyptic number.

139134600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139134600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254905560).

139134600 is an abundant number, since it is smaller than the sum of its proper divisors (370676520).

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

139134600 is a wasteful number, since it uses less digits than its factorization.

139134600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060 (or 7048 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 139134600 is about 11795.5330528128. The cubic root of 139134600 is about 518.1772970310.

The spelling of 139134600 in words is "one hundred thirty-nine million, one hundred thirty-four thousand, six hundred".