139078533 has 16 divisors (see below), whose sum is σ = 205318656. Its totient is φ = 83030640.

The previous prime is 139078529. The next prime is 139078543. The reversal of 139078533 is 335870931.

It is not a de Polignac number, because 139078533 - 2² = 139078529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139078491 and 139078500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139078543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29241 + ... + 33662.

It is an arithmetic number, because the mean of its divisors is an integer number (12832416).

Almost surely, 2^139078533 is an apocalyptic number.

It is an amenable number.

139078533 is a deficient number, since it is larger than the sum of its proper divisors (66240123).

139078533 is a wasteful number, since it uses less digits than its factorization.

139078533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62984.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 139078533 is about 11793.1561933182. The cubic root of 139078533 is about 518.1076844644.

The spelling of 139078533 in words is "one hundred thirty-nine million, seventy-eight thousand, five hundred thirty-three".