134529261 has 4 divisors (see below), whose sum is σ = 179372352. Its totient is φ = 89686172.

The previous prime is 134529259. The next prime is 134529293. The reversal of 134529261 is 162925431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134529261 - 2¹ = 134529259 is a prime.

It is a super-2 number, since 2×134529261² = 36196244130412242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134529251) 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, 22421541 + ... + 22421546.

It is an arithmetic number, because the mean of its divisors is an integer number (44843088).

Almost surely, 2^134529261 is an apocalyptic number.

It is an amenable number.

134529261 is a deficient number, since it is larger than the sum of its proper divisors (44843091).

134529261 is an equidigital number, since it uses as much as digits as its factorization.

134529261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44843090.

The product of its digits is 12960, while the sum is 33.

The square root of 134529261 is about 11598.6749674262. The cubic root of 134529261 is about 512.3958285994.

The spelling of 134529261 in words is "one hundred thirty-four million, five hundred twenty-nine thousand, two hundred sixty-one".