134308661 has 8 divisors (see below), whose sum is σ = 143567424. Its totient is φ = 125334880.

The previous prime is 134308639. The next prime is 134308703. The reversal of 134308661 is 166803431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134308661 is a prime.

It is a super-2 number, since 2×134308661² = 36077632839225842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134308621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70271 + ... + 72156.

It is an arithmetic number, because the mean of its divisors is an integer number (17945928).

Almost surely, 2^134308661 is an apocalyptic number.

It is an amenable number.

134308661 is a deficient number, since it is larger than the sum of its proper divisors (9258763).

134308661 is a wasteful number, since it uses less digits than its factorization.

134308661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142491.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 134308661 is about 11589.1613587869. The cubic root of 134308661 is about 512.1156011860.

The spelling of 134308661 in words is "one hundred thirty-four million, three hundred eight thousand, six hundred sixty-one".