134258639 has 8 divisors (see below), whose sum is σ = 142279920. Its totient is φ = 126251136.

The previous prime is 134258623. The next prime is 134258669. The reversal of 134258639 is 936852431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134258639 - 2⁴ = 134258623 is a prime.

It is a super-2 number, since 2×134258639² = 36050764292264642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134258596 and 134258605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134258609) 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 7 ways as a sum of consecutive naturals, for example, 22097 + ... + 27509.

It is an arithmetic number, because the mean of its divisors is an integer number (17784990).

Almost surely, 2^134258639 is an apocalyptic number.

134258639 is a deficient number, since it is larger than the sum of its proper divisors (8021281).

134258639 is a wasteful number, since it uses less digits than its factorization.

134258639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889.

The product of its digits is 155520, while the sum is 41.

The square root of 134258639 is about 11587.0030206262. The cubic root of 134258639 is about 512.0520157420.

The spelling of 134258639 in words is "one hundred thirty-four million, two hundred fifty-eight thousand, six hundred thirty-nine".