139530282 has 32 divisors (see below), whose sum is σ = 293027328. Its totient is φ = 44207856.

The previous prime is 139530239. The next prime is 139530283. The reversal of 139530282 is 282035931.

139530282 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139530283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19393 + ... + 25595.

It is an arithmetic number, because the mean of its divisors is an integer number (9157104).

Almost surely, 2^139530282 is an apocalyptic number.

139530282 is an abundant number, since it is smaller than the sum of its proper divisors (153497046).

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

139530282 is a wasteful number, since it uses less digits than its factorization.

139530282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 139530282 is about 11812.2936807379. The cubic root of 139530282 is about 518.6680433354.

The spelling of 139530282 in words is "one hundred thirty-nine million, five hundred thirty thousand, two hundred eighty-two".