139051633 has 16 divisors (see below), whose sum is σ = 167664640. Its totient is φ = 112654800.

The previous prime is 139051631. The next prime is 139051657. The reversal of 139051633 is 336150931.

It is not a de Polignac number, because 139051633 - 2¹ = 139051631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139051595 and 139051604.

It is not an unprimeable number, because it can be changed into a prime (139051631) 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, 75028 + ... + 76858.

It is an arithmetic number, because the mean of its divisors is an integer number (10479040).

Almost surely, 2^139051633 is an apocalyptic number.

It is an amenable number.

139051633 is a deficient number, since it is larger than the sum of its proper divisors (28613007).

139051633 is a wasteful number, since it uses less digits than its factorization.

139051633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 139051633 is about 11792.0156461904. The cubic root of 139051633 is about 518.0742788887.

The spelling of 139051633 in words is "one hundred thirty-nine million, fifty-one thousand, six hundred thirty-three".