139208033 has 8 divisors (see below), whose sum is σ = 145833600. Its totient is φ = 132704208.

The previous prime is 139207979. The next prime is 139208057. The reversal of 139208033 is 330802931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139208033 - 2⁶ = 139207969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139207987 and 139208005.

It is not an unprimeable number, because it can be changed into a prime (139208533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28091 + ... + 32672.

It is an arithmetic number, because the mean of its divisors is an integer number (18229200).

Almost surely, 2^139208033 is an apocalyptic number.

It is an amenable number.

139208033 is a deficient number, since it is larger than the sum of its proper divisors (6625567).

139208033 is an equidigital number, since it uses as much as digits as its factorization.

139208033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60871.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 139208033 is about 11798.6453883486. The cubic root of 139208033 is about 518.2684428737.

The spelling of 139208033 in words is "one hundred thirty-nine million, two hundred eight thousand, thirty-three".