134829261 has 72 divisors (see below), whose sum is σ = 245374272. Its totient is φ = 69638400.

The previous prime is 134829257. The next prime is 134829307. The reversal of 134829261 is 162928431.

It is not a de Polignac number, because 134829261 - 2² = 134829257 is a prime.

It is a super-2 number, since 2×134829261² = 36357859243612242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134829251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1029166 + ... + 1029296.

It is an arithmetic number, because the mean of its divisors is an integer number (3407976).

Almost surely, 2^134829261 is an apocalyptic number.

It is an amenable number.

134829261 is a deficient number, since it is larger than the sum of its proper divisors (110545011).

134829261 is a wasteful number, since it uses less digits than its factorization.

134829261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 189 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 134829261 is about 11611.6002773089. The cubic root of 134829261 is about 512.7764264079.

The spelling of 134829261 in words is "one hundred thirty-four million, eight hundred twenty-nine thousand, two hundred sixty-one".