139554032 has 40 divisors (see below), whose sum is σ = 283947600. Its totient is φ = 66365376.

The previous prime is 139554017. The next prime is 139554043. The reversal of 139554032 is 230455931.

It is a self number, because there is not a number n which added to its sum of digits gives 139554032.

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, 2082863 + ... + 2082929.

It is an arithmetic number, because the mean of its divisors is an integer number (7098690).

Almost surely, 2^139554032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139554032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141973800).

139554032 is an abundant number, since it is smaller than the sum of its proper divisors (144393568).

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

139554032 is an frugal number, since it uses more digits than its factorization.

139554032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 139554032 is about 11813.2989465263. The cubic root of 139554032 is about 518.6974698441.

The spelling of 139554032 in words is "one hundred thirty-nine million, five hundred fifty-four thousand, thirty-two".