60091139 has 2 divisors, whose sum is σ = 60091140. Its totient is φ = 60091138.

The previous prime is 60091133. The next prime is 60091147. The reversal of 60091139 is 93119006.

60091139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60091139 - 2⁴ = 60091123 is a prime.

It is a super-2 number, since 2×60091139² = 7221889972634642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60091133) 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 as a sum of consecutive naturals, namely, 30045569 + 30045570.

It is an arithmetic number, because the mean of its divisors is an integer number (30045570).

Almost surely, 2^60091139 is an apocalyptic number.

60091139 is a deficient number, since it is larger than the sum of its proper divisors (1).

60091139 is an equidigital number, since it uses as much as digits as its factorization.

60091139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 60091139 is about 7751.8474572195. The cubic root of 60091139 is about 391.6848844602.

The spelling of 60091139 in words is "sixty million, ninety-one thousand, one hundred thirty-nine".