134691561106534 has 4 divisors (see below), whose sum is σ = 202037341659804. Its totient is φ = 67345780553266.

The previous prime is 134691561106523. The next prime is 134691561106577. The reversal of 134691561106534 is 435601165196431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33672890276632 + ... + 33672890276635.

It is an arithmetic number, because the mean of its divisors is an integer number (50509335414951).

Almost surely, 2^{134691561106534} is an apocalyptic number.

134691561106534 is a deficient number, since it is larger than the sum of its proper divisors (67345780553270).

134691561106534 is an equidigital number, since it uses as much as digits as its factorization.

134691561106534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67345780553269.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 134691561106534 in words is "one hundred thirty-four trillion, six hundred ninety-one billion, five hundred sixty-one million, one hundred six thousand, five hundred thirty-four".