139002941 has 16 divisors (see below), whose sum is σ = 176577408. Its totient is φ = 106267200.

The previous prime is 139002911. The next prime is 139002943. The reversal of 139002941 is 149200931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 139002941 - 2¹⁰ = 139001917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139002943) 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, 12950 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (11036088).

Almost surely, 2^139002941 is an apocalyptic number.

139002941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139002941 is a deficient number, since it is larger than the sum of its proper divisors (37574467).

139002941 is a wasteful number, since it uses less digits than its factorization.

139002941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34132.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 139002941 is about 11789.9508480740. The cubic root of 139002941 is about 518.0138001124.

The spelling of 139002941 in words is "one hundred thirty-nine million, two thousand, nine hundred forty-one".