139204533 has 32 divisors (see below), whose sum is σ = 209664000. Its totient is φ = 81512640.

The previous prime is 139204523. The next prime is 139204537. The reversal of 139204533 is 335402931.

It is not a de Polignac number, because 139204533 - 2¹⁴ = 139188149 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 139204533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139204537) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 278718 + ... + 279216.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2^139204533 is an apocalyptic number.

139204533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

139204533 is a deficient number, since it is larger than the sum of its proper divisors (70459467).

139204533 is a wasteful number, since it uses less digits than its factorization.

139204533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 139204533 is about 11798.4970653045. The cubic root of 139204533 is about 518.2640993630.

The spelling of 139204533 in words is "one hundred thirty-nine million, two hundred four thousand, five hundred thirty-three".