139205282 has 16 divisors (see below), whose sum is σ = 223375320. Its totient is φ = 64831488.

The previous prime is 139205273. The next prime is 139205293. The reversal of 139205282 is 282502931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 137569441 + 1635841 = 11729^2 + 1279^2 .

It is a super-2 number, since 2×139205282² = 38756221073399048, which contains 22 as substring.

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, 17807 + ... + 24402.

Almost surely, 2^139205282 is an apocalyptic number.

139205282 is a deficient number, since it is larger than the sum of its proper divisors (84170038).

139205282 is a wasteful number, since it uses less digits than its factorization.

139205282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42325.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 139205282 is about 11798.5288065928. The cubic root of 139205282 is about 518.2650288804.

The spelling of 139205282 in words is "one hundred thirty-nine million, two hundred five thousand, two hundred eighty-two".