134529791 has 4 divisors (see below), whose sum is σ = 146759784. Its totient is φ = 122299800.

The previous prime is 134529781. The next prime is 134529793. The reversal of 134529791 is 197925431.

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-134529791 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 (134529793) 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 3 ways as a sum of consecutive naturals, for example, 6114980 + ... + 6115001.

It is an arithmetic number, because the mean of its divisors is an integer number (36689946).

Almost surely, 2^134529791 is an apocalyptic number.

134529791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134529791 is a deficient number, since it is larger than the sum of its proper divisors (12229993).

134529791 is a wasteful number, since it uses less digits than its factorization.

134529791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12229992.

The product of its digits is 68040, while the sum is 41.

The square root of 134529791 is about 11598.6978148411. The cubic root of 134529791 is about 512.3965014875.

It can be divided in two parts, 134 and 529791, that added together give a palindrome (529925).

The spelling of 134529791 in words is "one hundred thirty-four million, five hundred twenty-nine thousand, seven hundred ninety-one".