7138061 has 4 divisors (see below), whose sum is σ = 8157792. Its totient is φ = 6118332.

The previous prime is 7138049. The next prime is 7138069. The reversal of 7138061 is 1608317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1608317 = 107 ⋅15031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7138061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509855 + ... + 509868.

It is an arithmetic number, because the mean of its divisors is an integer number (2039448).

Almost surely, 2^7138061 is an apocalyptic number.

It is an amenable number.

7138061 is a deficient number, since it is larger than the sum of its proper divisors (1019731).

7138061 is a wasteful number, since it uses less digits than its factorization.

7138061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019730.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7138061 is about 2671.7149922849. The cubic root of 7138061 is about 192.5425643776.

The spelling of 7138061 in words is "seven million, one hundred thirty-eight thousand, sixty-one".