7139101 has 2 divisors, whose sum is σ = 7139102. Its totient is φ = 7139100.

The previous prime is 7139089. The next prime is 7139123. The reversal of 7139101 is 1019317.

It is an a-pointer prime, because the next prime (7139123) can be obtained adding 7139101 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 10201 = 2670^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 7139101 - 2⁷ = 7138973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7139401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569550 + 3569551.

It is an arithmetic number, because the mean of its divisors is an integer number (3569551).

Almost surely, 2^7139101 is an apocalyptic number.

It is an amenable number.

7139101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7139101 is an equidigital number, since it uses as much as digits as its factorization.

7139101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 7139101 is about 2671.9096167348. The cubic root of 7139101 is about 192.5519149348.

The spelling of 7139101 in words is "seven million, one hundred thirty-nine thousand, one hundred one".