139033266 has 16 divisors (see below), whose sum is σ = 278226624. Its totient is φ = 46317744.

The previous prime is 139033249. The next prime is 139033277. The reversal of 139033266 is 662330931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675 + ... + 17961.

It is an arithmetic number, because the mean of its divisors is an integer number (17389164).

Almost surely, 2^139033266 is an apocalyptic number.

139033266 is an abundant number, since it is smaller than the sum of its proper divisors (139193358).

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

139033266 is a wasteful number, since it uses less digits than its factorization.

139033266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 139033266 is about 11791.2368307994. The cubic root of 139033266 is about 518.0514674839.

The spelling of 139033266 in words is "one hundred thirty-nine million, thirty-three thousand, two hundred sixty-six".