58139081 has 24 divisors (see below), whose sum is σ = 78386112. Its totient is φ = 41644800.

The previous prime is 58139057. The next prime is 58139087. The reversal of 58139081 is 18093185.

It is not a de Polignac number, because 58139081 - 2¹⁴ = 58122697 is a prime.

It is a super-2 number, since 2×58139081² = 6760305479049122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (58139087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241121 + ... + 241361.

It is an arithmetic number, because the mean of its divisors is an integer number (3266088).

Almost surely, 2^58139081 is an apocalyptic number.

It is an amenable number.

58139081 is a deficient number, since it is larger than the sum of its proper divisors (20247031).

58139081 is a wasteful number, since it uses less digits than its factorization.

58139081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 58139081 is about 7624.8987534262. The cubic root of 58139081 is about 387.3968224779.

The spelling of 58139081 in words is "fifty-eight million, one hundred thirty-nine thousand, eighty-one".