139103082 has 60 divisors (see below), whose sum is σ = 323128806. Its totient is φ = 44724960.

The previous prime is 139103077. The next prime is 139103089. The reversal of 139103082 is 280301931.

It can be written as a sum of positive squares in 3 ways, for example, as 124746561 + 14356521 = 11169^2 + 3789^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (139103089) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 135732 + ... + 136752.

Almost surely, 2^139103082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139103082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161564403).

139103082 is an abundant number, since it is smaller than the sum of its proper divisors (184025724).

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

139103082 is a wasteful number, since it uses less digits than its factorization.

139103082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 139103082 is about 11794.1969629136. The cubic root of 139103082 is about 518.1381667082.

The spelling of 139103082 in words is "one hundred thirty-nine million, one hundred three thousand, eighty-two".