134523961 has 8 divisors (see below), whose sum is σ = 158042304. Its totient is φ = 112887120.

The previous prime is 134523943. The next prime is 134523967. The reversal of 134523961 is 169325431.

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

It is a cyclic number.

It is not a de Polignac number, because 134523961 - 2⁵ = 134523929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134523967) 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, 470221 + ... + 470506.

It is an arithmetic number, because the mean of its divisors is an integer number (19755288).

Almost surely, 2^134523961 is an apocalyptic number.

134523961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134523961 is a deficient number, since it is larger than the sum of its proper divisors (23518343).

134523961 is a wasteful number, since it uses less digits than its factorization.

134523961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940751.

The product of its digits is 19440, while the sum is 34.

The square root of 134523961 is about 11598.4464908021. The cubic root of 134523961 is about 512.3890996208.

The spelling of 134523961 in words is "one hundred thirty-four million, five hundred twenty-three thousand, nine hundred sixty-one".