139522033 has 8 divisors (see below), whose sum is σ = 160618752. Its totient is φ = 118716576.

The previous prime is 139522021. The next prime is 139522039. The reversal of 139522033 is 330225931.

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 139522033 - 2⁵ = 139522001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139521992 and 139522010.

It is not an unprimeable number, because it can be changed into a prime (139522039) 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, 71785 + ... + 73702.

It is an arithmetic number, because the mean of its divisors is an integer number (20077344).

Almost surely, 2^139522033 is an apocalyptic number.

It is an amenable number.

139522033 is a deficient number, since it is larger than the sum of its proper divisors (21096719).

139522033 is a wasteful number, since it uses less digits than its factorization.

139522033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145631.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 139522033 is about 11811.9445054572. The cubic root of 139522033 is about 518.6578219533.

Adding to 139522033 its reverse (330225931), we get a palindrome (469747964).

The spelling of 139522033 in words is "one hundred thirty-nine million, five hundred twenty-two thousand, thirty-three".