139140733 has 16 divisors (see below), whose sum is σ = 152006976. Its totient is φ = 126846720.

The previous prime is 139140721. The next prime is 139140737. The reversal of 139140733 is 337041931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139140733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139140695 and 139140704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139140737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95035 + ... + 96487.

It is an arithmetic number, because the mean of its divisors is an integer number (9500436).

Almost surely, 2^139140733 is an apocalyptic number.

It is an amenable number.

139140733 is a deficient number, since it is larger than the sum of its proper divisors (12866243).

139140733 is a wasteful number, since it uses less digits than its factorization.

139140733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 139140733 is about 11795.7930212428. The cubic root of 139140733 is about 518.1849106049.

It can be divided in two parts, 1391 and 40733, that added together give a palindrome (42124).

The spelling of 139140733 in words is "one hundred thirty-nine million, one hundred forty thousand, seven hundred thirty-three".