134565858138 has 16 divisors (see below), whose sum is σ = 284962993920. Its totient is φ = 42216739776.

The previous prime is 134565858137. The next prime is 134565858143. The reversal of 134565858138 is 831858565431.

It is not an unprimeable number, because it can be changed into a prime (134565858131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659636458 + ... + 659636661.

It is an arithmetic number, because the mean of its divisors is an integer number (17810187120).

Almost surely, 2^134565858138 is an apocalyptic number.

134565858138 is an abundant number, since it is smaller than the sum of its proper divisors (150397135782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134565858138 is a wasteful number, since it uses less digits than its factorization.

134565858138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319273141.

The product of its digits is 13824000, while the sum is 57.

The spelling of 134565858138 in words is "one hundred thirty-four billion, five hundred sixty-five million, eight hundred fifty-eight thousand, one hundred thirty-eight".