134158084928639 has 4 divisors (see below), whose sum is σ = 134176470311424. Its totient is φ = 134139699545856.

The previous prime is 134158084928587. The next prime is 134158084928641. The reversal of 134158084928639 is 936829480851431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134158084928639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134158084928689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9192680447 + ... + 9192695040.

It is an arithmetic number, because the mean of its divisors is an integer number (33544117577856).

Almost surely, 2^{134158084928639} is an apocalyptic number.

134158084928639 is a deficient number, since it is larger than the sum of its proper divisors (18385382785).

134158084928639 is an equidigital number, since it uses as much as digits as its factorization.

134158084928639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18385382784.

The product of its (nonzero) digits is 358318080, while the sum is 71.

The spelling of 134158084928639 in words is "one hundred thirty-four trillion, one hundred fifty-eight billion, eighty-four million, nine hundred twenty-eight thousand, six hundred thirty-nine".