139327542 has 48 divisors (see below), whose sum is σ = 315900000. Its totient is φ = 44322432.

The previous prime is 139327519. The next prime is 139327561. The reversal of 139327542 is 245723931.

139327542 is a `hidden beast` number, since 1 + 3 + 93 + 27 + 542 = 666.

139327542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139327497 and 139327506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44959 + ... + 47957.

It is an arithmetic number, because the mean of its divisors is an integer number (6581250).

Almost surely, 2^139327542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139327542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157950000).

139327542 is an abundant number, since it is smaller than the sum of its proper divisors (176572458).

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

139327542 is a wasteful number, since it uses less digits than its factorization.

139327542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3122 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 139327542 is about 11803.7088239248. The cubic root of 139327542 is about 518.4167102452.

The spelling of 139327542 in words is "one hundred thirty-nine million, three hundred twenty-seven thousand, five hundred forty-two".