139302032 has 10 divisors (see below), whose sum is σ = 269897718. Its totient is φ = 69651008.

The previous prime is 139301963. The next prime is 139302061. The reversal of 139302032 is 230203931.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 22316176 = 10816^2 + 4724^2 .

It is a super-2 number, since 2×139302032² = 38810112238658048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139301989 and 139302007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4353173 + ... + 4353204.

Almost surely, 2^139302032 is an apocalyptic number.

It is an amenable number.

139302032 is a deficient number, since it is larger than the sum of its proper divisors (130595686).

139302032 is an equidigital number, since it uses as much as digits as its factorization.

139302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706385 (or 8706379 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 139302032 is about 11802.6281818924. The cubic root of 139302032 is about 518.3850686969.

Adding to 139302032 its reverse (230203931), we get a palindrome (369505963).

The spelling of 139302032 in words is "one hundred thirty-nine million, three hundred two thousand, thirty-two".